Home / 20,950,472.66-28,895,273.38-13,610,670.68

Finding the Fourth Proportional to 20,950,472.66, 28,895,273.38 and 13,610,670.68

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Solution

The fourth proportional to 20,950,472.66, 28,895,273.38 and 13,610,670.68 is: 18,772,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,472.66 : 28,895,273.38 = 13,610,670.68 : x
  2. Step 2: Convert to fraction form
    20,950,472.66/28,895,273.38 = 13,610,670.68/x
  3. Step 3: Cross multiply
    20,950,472.66x = 28,895,273.38 × 13,610,670.68
  4. Step 4: Simplify right side
    20,950,472.66x = 393,284,050,273,002
  5. Step 5: Solve for x
    x = 393,284,050,273,002/20,950,472.66
  6. Step 6: Final answer
    x = 18,772,084.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.