Home / 13,331,251.20-19,996,876.80-6,953,959.20

Finding the Fourth Proportional to 13,331,251.20, 19,996,876.80 and 6,953,959.20

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Solution

The fourth proportional to 13,331,251.20, 19,996,876.80 and 6,953,959.20 is: 10,430,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,251.20 : 19,996,876.80 = 6,953,959.20 : x
  2. Step 2: Convert to fraction form
    13,331,251.20/19,996,876.80 = 6,953,959.20/x
  3. Step 3: Cross multiply
    13,331,251.20x = 19,996,876.80 × 6,953,959.20
  4. Step 4: Simplify right side
    13,331,251.20x = 139,057,465,394,626.56
  5. Step 5: Solve for x
    x = 139,057,465,394,626.56/13,331,251.20
  6. Step 6: Final answer
    x = 10,430,938.80

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Similar ratio
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1.5x scale

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.