Home / 10,752,779.40-16,129,169.10-10,387,825.80

Finding the Fourth Proportional to 10,752,779.40, 16,129,169.10 and 10,387,825.80

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Solution

The fourth proportional to 10,752,779.40, 16,129,169.10 and 10,387,825.80 is: 15,581,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,779.40 : 16,129,169.10 = 10,387,825.80 : x
  2. Step 2: Convert to fraction form
    10,752,779.40/16,129,169.10 = 10,387,825.80/x
  3. Step 3: Cross multiply
    10,752,779.40x = 16,129,169.10 × 10,387,825.80
  4. Step 4: Simplify right side
    10,752,779.40x = 167,546,998,909,542.78
  5. Step 5: Solve for x
    x = 167,546,998,909,542.78/10,752,779.40
  6. Step 6: Final answer
    x = 15,581,738.70

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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.