Home / 10,206,520.20-15,309,780.30-9,427,073.40

Finding the Fourth Proportional to 10,206,520.20, 15,309,780.30 and 9,427,073.40

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Solution

The fourth proportional to 10,206,520.20, 15,309,780.30 and 9,427,073.40 is: 14,140,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,520.20 : 15,309,780.30 = 9,427,073.40 : x
  2. Step 2: Convert to fraction form
    10,206,520.20/15,309,780.30 = 9,427,073.40/x
  3. Step 3: Cross multiply
    10,206,520.20x = 15,309,780.30 × 9,427,073.40
  4. Step 4: Simplify right side
    10,206,520.20x = 144,326,422,625,974.03
  5. Step 5: Solve for x
    x = 144,326,422,625,974.03/10,206,520.20
  6. Step 6: Final answer
    x = 14,140,610.10

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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.