Home / 20,502,028.60-30,753,042.90-8,367,459.10

Finding the Fourth Proportional to 20,502,028.60, 30,753,042.90 and 8,367,459.10

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Solution

The fourth proportional to 20,502,028.60, 30,753,042.90 and 8,367,459.10 is: 12,551,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,028.60 : 30,753,042.90 = 8,367,459.10 : x
  2. Step 2: Convert to fraction form
    20,502,028.60/30,753,042.90 = 8,367,459.10/x
  3. Step 3: Cross multiply
    20,502,028.60x = 30,753,042.90 × 8,367,459.10
  4. Step 4: Simplify right side
    20,502,028.60x = 257,324,828,666,295.38
  5. Step 5: Solve for x
    x = 257,324,828,666,295.38/20,502,028.60
  6. Step 6: Final answer
    x = 12,551,188.65

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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.