Home / 13,466,239.30-20,199,358.95-9,214,711.30

Finding the Fourth Proportional to 13,466,239.30, 20,199,358.95 and 9,214,711.30

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Solution

The fourth proportional to 13,466,239.30, 20,199,358.95 and 9,214,711.30 is: 13,822,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,239.30 : 20,199,358.95 = 9,214,711.30 : x
  2. Step 2: Convert to fraction form
    13,466,239.30/20,199,358.95 = 9,214,711.30/x
  3. Step 3: Cross multiply
    13,466,239.30x = 20,199,358.95 × 9,214,711.30
  4. Step 4: Simplify right side
    13,466,239.30x = 186,131,261,169,321.16
  5. Step 5: Solve for x
    x = 186,131,261,169,321.16/13,466,239.30
  6. Step 6: Final answer
    x = 13,822,066.95

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Double scale
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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.