Home / 10,331,334.90-15,497,002.35-9,215,308.80

Finding the Fourth Proportional to 10,331,334.90, 15,497,002.35 and 9,215,308.80

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Solution

The fourth proportional to 10,331,334.90, 15,497,002.35 and 9,215,308.80 is: 13,822,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331,334.90 : 15,497,002.35 = 9,215,308.80 : x
  2. Step 2: Convert to fraction form
    10,331,334.90/15,497,002.35 = 9,215,308.80/x
  3. Step 3: Cross multiply
    10,331,334.90x = 15,497,002.35 × 9,215,308.80
  4. Step 4: Simplify right side
    10,331,334.90x = 142,809,662,129,575.69
  5. Step 5: Solve for x
    x = 142,809,662,129,575.69/10,331,334.90
  6. Step 6: Final answer
    x = 13,822,963.20

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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.