Home / 14,969,227.28-20,657,413.32-8,690,337.22

Finding the Fourth Proportional to 14,969,227.28, 20,657,413.32 and 8,690,337.22

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Solution

The fourth proportional to 14,969,227.28, 20,657,413.32 and 8,690,337.22 is: 11,992,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,227.28 : 20,657,413.32 = 8,690,337.22 : x
  2. Step 2: Convert to fraction form
    14,969,227.28/20,657,413.32 = 8,690,337.22/x
  3. Step 3: Cross multiply
    14,969,227.28x = 20,657,413.32 × 8,690,337.22
  4. Step 4: Simplify right side
    14,969,227.28x = 179,519,887,843,719.78
  5. Step 5: Solve for x
    x = 179,519,887,843,719.78/14,969,227.28
  6. Step 6: Final answer
    x = 11,992,595.51

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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.