Home / 28,827,331.48-39,781,715.90-15,774,591.95

Finding the Fourth Proportional to 28,827,331.48, 39,781,715.90 and 15,774,591.95

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Solution

The fourth proportional to 28,827,331.48, 39,781,715.90 and 15,774,591.95 is: 21,768,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,331.48 : 39,781,715.90 = 15,774,591.95 : x
  2. Step 2: Convert to fraction form
    28,827,331.48/39,781,715.90 = 15,774,591.95/x
  3. Step 3: Cross multiply
    28,827,331.48x = 39,781,715.90 × 15,774,591.95
  4. Step 4: Simplify right side
    28,827,331.48x = 627,540,335,264,727
  5. Step 5: Solve for x
    x = 627,540,335,264,727/28,827,331.48
  6. Step 6: Final answer
    x = 21,768,936.04

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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.