Home / 10,534,513.20-15,801,769.80-9,904,657.20

Finding the Fourth Proportional to 10,534,513.20, 15,801,769.80 and 9,904,657.20

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Solution

The fourth proportional to 10,534,513.20, 15,801,769.80 and 9,904,657.20 is: 14,856,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534,513.20 : 15,801,769.80 = 9,904,657.20 : x
  2. Step 2: Convert to fraction form
    10,534,513.20/15,801,769.80 = 9,904,657.20/x
  3. Step 3: Cross multiply
    10,534,513.20x = 15,801,769.80 × 9,904,657.20
  4. Step 4: Simplify right side
    10,534,513.20x = 156,511,113,022,312.56
  5. Step 5: Solve for x
    x = 156,511,113,022,312.56/10,534,513.20
  6. Step 6: Final answer
    x = 14,856,985.80

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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.