Home / 14,167,138.10-21,250,707.15-8,498,434.10

Finding the Fourth Proportional to 14,167,138.10, 21,250,707.15 and 8,498,434.10

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Solution

The fourth proportional to 14,167,138.10, 21,250,707.15 and 8,498,434.10 is: 12,747,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167,138.10 : 21,250,707.15 = 8,498,434.10 : x
  2. Step 2: Convert to fraction form
    14,167,138.10/21,250,707.15 = 8,498,434.10/x
  3. Step 3: Cross multiply
    14,167,138.10x = 21,250,707.15 × 8,498,434.10
  4. Step 4: Simplify right side
    14,167,138.10x = 180,597,734,292,673.78
  5. Step 5: Solve for x
    x = 180,597,734,292,673.78/14,167,138.10
  6. Step 6: Final answer
    x = 12,747,651.15

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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.