Home / 15,782,900.34-21,778,067.25-9,584,723.70

Finding the Fourth Proportional to 15,782,900.34, 21,778,067.25 and 9,584,723.70

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Solution

The fourth proportional to 15,782,900.34, 21,778,067.25 and 9,584,723.70 is: 13,225,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782,900.34 : 21,778,067.25 = 9,584,723.70 : x
  2. Step 2: Convert to fraction form
    15,782,900.34/21,778,067.25 = 9,584,723.70/x
  3. Step 3: Cross multiply
    15,782,900.34x = 21,778,067.25 × 9,584,723.70
  4. Step 4: Simplify right side
    15,782,900.34x = 208,736,757,311,268.81
  5. Step 5: Solve for x
    x = 208,736,757,311,268.81/15,782,900.34
  6. Step 6: Final answer
    x = 13,225,500.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.