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Finding the Fourth Proportional to 10,367,999.10, 15,551,998.65 and 9,375,975.90

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Solution

The fourth proportional to 10,367,999.10, 15,551,998.65 and 9,375,975.90 is: 14,063,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,999.10 : 15,551,998.65 = 9,375,975.90 : x
  2. Step 2: Convert to fraction form
    10,367,999.10/15,551,998.65 = 9,375,975.90/x
  3. Step 3: Cross multiply
    10,367,999.10x = 15,551,998.65 × 9,375,975.90
  4. Step 4: Simplify right side
    10,367,999.10x = 145,815,164,539,232.53
  5. Step 5: Solve for x
    x = 145,815,164,539,232.53/10,367,999.10
  6. Step 6: Final answer
    x = 14,063,963.85

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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.