Home / 13,486,545.40-20,229,818.10-8,951,582.20

Finding the Fourth Proportional to 13,486,545.40, 20,229,818.10 and 8,951,582.20

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Solution

The fourth proportional to 13,486,545.40, 20,229,818.10 and 8,951,582.20 is: 13,427,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,545.40 : 20,229,818.10 = 8,951,582.20 : x
  2. Step 2: Convert to fraction form
    13,486,545.40/20,229,818.10 = 8,951,582.20/x
  3. Step 3: Cross multiply
    13,486,545.40x = 20,229,818.10 × 8,951,582.20
  4. Step 4: Simplify right side
    13,486,545.40x = 181,088,879,613,197.81
  5. Step 5: Solve for x
    x = 181,088,879,613,197.81/13,486,545.40
  6. Step 6: Final answer
    x = 13,427,373.30

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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.