Home / 20,511,030.10-30,766,545.15-17,856,822.10

Finding the Fourth Proportional to 20,511,030.10, 30,766,545.15 and 17,856,822.10

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Solution

The fourth proportional to 20,511,030.10, 30,766,545.15 and 17,856,822.10 is: 26,785,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,511,030.10 : 30,766,545.15 = 17,856,822.10 : x
  2. Step 2: Convert to fraction form
    20,511,030.10/30,766,545.15 = 17,856,822.10/x
  3. Step 3: Cross multiply
    20,511,030.10x = 30,766,545.15 × 17,856,822.10
  4. Step 4: Simplify right side
    20,511,030.10x = 549,392,723,375,167.81
  5. Step 5: Solve for x
    x = 549,392,723,375,167.81/20,511,030.10
  6. Step 6: Final answer
    x = 26,785,233.15

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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.