Home / 7,155,200-9,873,278.34-4,837,136.24

Finding the Fourth Proportional to 7,155,200, 9,873,278.34 and 4,837,136.24

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Solution

The fourth proportional to 7,155,200, 9,873,278.34 and 4,837,136.24 is: 6,674,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,200 : 9,873,278.34 = 4,837,136.24 : x
  2. Step 2: Convert to fraction form
    7,155,200/9,873,278.34 = 4,837,136.24/x
  3. Step 3: Cross multiply
    7,155,200x = 9,873,278.34 × 4,837,136.24
  4. Step 4: Simplify right side
    7,155,200x = 47,758,392,466,021.05
  5. Step 5: Solve for x
    x = 47,758,392,466,021.05/7,155,200
  6. Step 6: Final answer
    x = 6,674,641.17

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Double scale
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Similar ratio
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1.5x scale

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.