Home / 31,549,121.28-47,318,945.46-9,980,920.44

Finding the Fourth Proportional to 31,549,121.28, 47,318,945.46 and 9,980,920.44

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Solution

The fourth proportional to 31,549,121.28, 47,318,945.46 and 9,980,920.44 is: 14,969,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,121.28 : 47,318,945.46 = 9,980,920.44 : x
  2. Step 2: Convert to fraction form
    31,549,121.28/47,318,945.46 = 9,980,920.44/x
  3. Step 3: Cross multiply
    31,549,121.28x = 47,318,945.46 × 9,980,920.44
  4. Step 4: Simplify right side
    31,549,121.28x = 472,286,629,940,959.19
  5. Step 5: Solve for x
    x = 472,286,629,940,959.19/31,549,121.28
  6. Step 6: Final answer
    x = 14,969,882.23

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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.