Home / 14,008,793.40-21,013,190.10-3,911,398.20

Finding the Fourth Proportional to 14,008,793.40, 21,013,190.10 and 3,911,398.20

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Solution

The fourth proportional to 14,008,793.40, 21,013,190.10 and 3,911,398.20 is: 5,867,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,793.40 : 21,013,190.10 = 3,911,398.20 : x
  2. Step 2: Convert to fraction form
    14,008,793.40/21,013,190.10 = 3,911,398.20/x
  3. Step 3: Cross multiply
    14,008,793.40x = 21,013,190.10 × 3,911,398.20
  4. Step 4: Simplify right side
    14,008,793.40x = 82,190,953,933,397.83
  5. Step 5: Solve for x
    x = 82,190,953,933,397.83/14,008,793.40
  6. Step 6: Final answer
    x = 5,867,097.30

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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.