Home / 28,008,002.30-42,012,003.45-16,642,600.70

Finding the Fourth Proportional to 28,008,002.30, 42,012,003.45 and 16,642,600.70

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Solution

The fourth proportional to 28,008,002.30, 42,012,003.45 and 16,642,600.70 is: 24,963,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008,002.30 : 42,012,003.45 = 16,642,600.70 : x
  2. Step 2: Convert to fraction form
    28,008,002.30/42,012,003.45 = 16,642,600.70/x
  3. Step 3: Cross multiply
    28,008,002.30x = 42,012,003.45 × 16,642,600.70
  4. Step 4: Simplify right side
    28,008,002.30x = 699,188,998,025,372.38
  5. Step 5: Solve for x
    x = 699,188,998,025,372.38/28,008,002.30
  6. Step 6: Final answer
    x = 24,963,901.05

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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.