Home / 18,191,301.30-27,286,951.95-8,625,363.30

Finding the Fourth Proportional to 18,191,301.30, 27,286,951.95 and 8,625,363.30

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Solution

The fourth proportional to 18,191,301.30, 27,286,951.95 and 8,625,363.30 is: 12,938,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,301.30 : 27,286,951.95 = 8,625,363.30 : x
  2. Step 2: Convert to fraction form
    18,191,301.30/27,286,951.95 = 8,625,363.30/x
  3. Step 3: Cross multiply
    18,191,301.30x = 27,286,951.95 × 8,625,363.30
  4. Step 4: Simplify right side
    18,191,301.30x = 235,359,873,918,393.44
  5. Step 5: Solve for x
    x = 235,359,873,918,393.44/18,191,301.30
  6. Step 6: Final answer
    x = 12,938,044.95

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1.5x scale

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.