Home / 31,549,122.28-47,318,946.96-9,980,921.44

Finding the Fourth Proportional to 31,549,122.28, 47,318,946.96 and 9,980,921.44

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Solution

The fourth proportional to 31,549,122.28, 47,318,946.96 and 9,980,921.44 is: 14,969,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549,122.28 : 47,318,946.96 = 9,980,921.44 : x
  2. Step 2: Convert to fraction form
    31,549,122.28/47,318,946.96 = 9,980,921.44/x
  3. Step 3: Cross multiply
    31,549,122.28x = 47,318,946.96 × 9,980,921.44
  4. Step 4: Simplify right side
    31,549,122.28x = 472,286,692,231,286.81
  5. Step 5: Solve for x
    x = 472,286,692,231,286.81/31,549,122.28
  6. Step 6: Final answer
    x = 14,969,883.73

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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.