Home / 28,732,930.56-39,652,280.28-15,681,029.04

Finding the Fourth Proportional to 28,732,930.56, 39,652,280.28 and 15,681,029.04

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Solution

The fourth proportional to 28,732,930.56, 39,652,280.28 and 15,681,029.04 is: 21,640,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,930.56 : 39,652,280.28 = 15,681,029.04 : x
  2. Step 2: Convert to fraction form
    28,732,930.56/39,652,280.28 = 15,681,029.04/x
  3. Step 3: Cross multiply
    28,732,930.56x = 39,652,280.28 × 15,681,029.04
  4. Step 4: Simplify right side
    28,732,930.56x = 621,788,558,572,899.38
  5. Step 5: Solve for x
    x = 621,788,558,572,899.38/28,732,930.56
  6. Step 6: Final answer
    x = 21,640,276.38

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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.