Home / 20,502,543.20-30,753,814.80-16,521,231.20

Finding the Fourth Proportional to 20,502,543.20, 30,753,814.80 and 16,521,231.20

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Solution

The fourth proportional to 20,502,543.20, 30,753,814.80 and 16,521,231.20 is: 24,781,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,543.20 : 30,753,814.80 = 16,521,231.20 : x
  2. Step 2: Convert to fraction form
    20,502,543.20/30,753,814.80 = 16,521,231.20/x
  3. Step 3: Cross multiply
    20,502,543.20x = 30,753,814.80 × 16,521,231.20
  4. Step 4: Simplify right side
    20,502,543.20x = 508,090,884,592,781.75
  5. Step 5: Solve for x
    x = 508,090,884,592,781.75/20,502,543.20
  6. Step 6: Final answer
    x = 24,781,846.80

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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.