Home / 19,723,278.50-29,584,917.69-5,346,346.34

Finding the Fourth Proportional to 19,723,278.50, 29,584,917.69 and 5,346,346.34

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Solution

The fourth proportional to 19,723,278.50, 29,584,917.69 and 5,346,346.34 is: 8,019,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723,278.50 : 29,584,917.69 = 5,346,346.34 : x
  2. Step 2: Convert to fraction form
    19,723,278.50/29,584,917.69 = 5,346,346.34/x
  3. Step 3: Cross multiply
    19,723,278.50x = 29,584,917.69 × 5,346,346.34
  4. Step 4: Simplify right side
    19,723,278.50x = 158,171,216,411,132.75
  5. Step 5: Solve for x
    x = 158,171,216,411,132.75/19,723,278.50
  6. Step 6: Final answer
    x = 8,019,519.49

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Double scale
Find fourth proportional to 19,723,279.50, 29,584,919.19 and 5,346,347.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.