Home / 10,381,801.40-15,572,702.10-4,989,151.48

Finding the Fourth Proportional to 10,381,801.40, 15,572,702.10 and 4,989,151.48

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Solution

The fourth proportional to 10,381,801.40, 15,572,702.10 and 4,989,151.48 is: 7,483,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,801.40 : 15,572,702.10 = 4,989,151.48 : x
  2. Step 2: Convert to fraction form
    10,381,801.40/15,572,702.10 = 4,989,151.48/x
  3. Step 3: Cross multiply
    10,381,801.40x = 15,572,702.10 × 4,989,151.48
  4. Step 4: Simplify right side
    10,381,801.40x = 77,694,569,651,950.59
  5. Step 5: Solve for x
    x = 77,694,569,651,950.59/10,381,801.40
  6. Step 6: Final answer
    x = 7,483,727.21

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.