Home / 28,029,464.38-38,680,767.78-15,640,079.98

Finding the Fourth Proportional to 28,029,464.38, 38,680,767.78 and 15,640,079.98

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Solution

The fourth proportional to 28,029,464.38, 38,680,767.78 and 15,640,079.98 is: 21,583,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,464.38 : 38,680,767.78 = 15,640,079.98 : x
  2. Step 2: Convert to fraction form
    28,029,464.38/38,680,767.78 = 15,640,079.98/x
  3. Step 3: Cross multiply
    28,029,464.38x = 38,680,767.78 × 15,640,079.98
  4. Step 4: Simplify right side
    28,029,464.38x = 604,970,301,767,007.12
  5. Step 5: Solve for x
    x = 604,970,301,767,007.12/28,029,464.38
  6. Step 6: Final answer
    x = 21,583,370.04

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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.