Home / 28,029,468.17-38,680,773.00-15,640,083.78

Finding the Fourth Proportional to 28,029,468.17, 38,680,773.00 and 15,640,083.78

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Solution

The fourth proportional to 28,029,468.17, 38,680,773.00 and 15,640,083.78 is: 21,583,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,468.17 : 38,680,773.00 = 15,640,083.78 : x
  2. Step 2: Convert to fraction form
    28,029,468.17/38,680,773.00 = 15,640,083.78/x
  3. Step 3: Cross multiply
    28,029,468.17x = 38,680,773.00 × 15,640,083.78
  4. Step 4: Simplify right side
    28,029,468.17x = 604,970,530,426,717.88
  5. Step 5: Solve for x
    x = 604,970,530,426,717.88/28,029,468.17
  6. Step 6: Final answer
    x = 21,583,375.28

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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.