Home / 28,732,934.56-39,652,285.80-15,681,033.04

Finding the Fourth Proportional to 28,732,934.56, 39,652,285.80 and 15,681,033.04

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Solution

The fourth proportional to 28,732,934.56, 39,652,285.80 and 15,681,033.04 is: 21,640,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,934.56 : 39,652,285.80 = 15,681,033.04 : x
  2. Step 2: Convert to fraction form
    28,732,934.56/39,652,285.80 = 15,681,033.04/x
  3. Step 3: Cross multiply
    28,732,934.56x = 39,652,285.80 × 15,681,033.04
  4. Step 4: Simplify right side
    28,732,934.56x = 621,788,803,741,322.75
  5. Step 5: Solve for x
    x = 621,788,803,741,322.75/28,732,934.56
  6. Step 6: Final answer
    x = 21,640,281.90

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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.