Home / 9,712,646.76-13,403,101.20-5,361,639.60

Finding the Fourth Proportional to 9,712,646.76, 13,403,101.20 and 5,361,639.60

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Solution

The fourth proportional to 9,712,646.76, 13,403,101.20 and 5,361,639.60 is: 7,398,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,646.76 : 13,403,101.20 = 5,361,639.60 : x
  2. Step 2: Convert to fraction form
    9,712,646.76/13,403,101.20 = 5,361,639.60/x
  3. Step 3: Cross multiply
    9,712,646.76x = 13,403,101.20 × 5,361,639.60
  4. Step 4: Simplify right side
    9,712,646.76x = 71,862,598,156,727.52
  5. Step 5: Solve for x
    x = 71,862,598,156,727.52/9,712,646.76
  6. Step 6: Final answer
    x = 7,398,868.71

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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.