Home / 20,502,561.70-30,753,842.55-16,521,249.70

Finding the Fourth Proportional to 20,502,561.70, 30,753,842.55 and 16,521,249.70

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Solution

The fourth proportional to 20,502,561.70, 30,753,842.55 and 16,521,249.70 is: 24,781,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,561.70 : 30,753,842.55 = 16,521,249.70 : x
  2. Step 2: Convert to fraction form
    20,502,561.70/30,753,842.55 = 16,521,249.70/x
  3. Step 3: Cross multiply
    20,502,561.70x = 30,753,842.55 × 16,521,249.70
  4. Step 4: Simplify right side
    20,502,561.70x = 508,091,912,003,034.75
  5. Step 5: Solve for x
    x = 508,091,912,003,034.75/20,502,561.70
  6. Step 6: Final answer
    x = 24,781,874.55

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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.