Home / 31,711,877.28-47,567,798.64-8,992,962.72

Finding the Fourth Proportional to 31,711,877.28, 47,567,798.64 and 8,992,962.72

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Solution

The fourth proportional to 31,711,877.28, 47,567,798.64 and 8,992,962.72 is: 13,489,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711,877.28 : 47,567,798.64 = 8,992,962.72 : x
  2. Step 2: Convert to fraction form
    31,711,877.28/47,567,798.64 = 8,992,962.72/x
  3. Step 3: Cross multiply
    31,711,877.28x = 47,567,798.64 × 8,992,962.72
  4. Step 4: Simplify right side
    31,711,877.28x = 427,775,439,841,986.75
  5. Step 5: Solve for x
    x = 427,775,439,841,986.75/31,711,877.28
  6. Step 6: Final answer
    x = 13,489,439.18

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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.