Home / 31,426,335.80-47,141,496.12-9,861,788.60

Finding the Fourth Proportional to 31,426,335.80, 47,141,496.12 and 9,861,788.60

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Solution

The fourth proportional to 31,426,335.80, 47,141,496.12 and 9,861,788.60 is: 14,793,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426,335.80 : 47,141,496.12 = 9,861,788.60 : x
  2. Step 2: Convert to fraction form
    31,426,335.80/47,141,496.12 = 9,861,788.60/x
  3. Step 3: Cross multiply
    31,426,335.80x = 47,141,496.12 × 9,861,788.60
  4. Step 4: Simplify right side
    31,426,335.80x = 464,899,469,023,160.19
  5. Step 5: Solve for x
    x = 464,899,469,023,160.19/31,426,335.80
  6. Step 6: Final answer
    x = 14,793,308.13

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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.