Home / 10,752,814.40-16,129,221.60-10,387,860.80

Finding the Fourth Proportional to 10,752,814.40, 16,129,221.60 and 10,387,860.80

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Solution

The fourth proportional to 10,752,814.40, 16,129,221.60 and 10,387,860.80 is: 15,581,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,814.40 : 16,129,221.60 = 10,387,860.80 : x
  2. Step 2: Convert to fraction form
    10,752,814.40/16,129,221.60 = 10,387,860.80/x
  3. Step 3: Cross multiply
    10,752,814.40x = 16,129,221.60 × 10,387,860.80
  4. Step 4: Simplify right side
    10,752,814.40x = 167,548,108,793,153.28
  5. Step 5: Solve for x
    x = 167,548,108,793,153.28/10,752,814.40
  6. Step 6: Final answer
    x = 15,581,791.20

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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.