Home / 12,490,934.20-18,708,407.70-10,251,446.20

Finding the Fourth Proportional to 12,490,934.20, 18,708,407.70 and 10,251,446.20

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Solution

The fourth proportional to 12,490,934.20, 18,708,407.70 and 10,251,446.20 is: 15,354,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,934.20 : 18,708,407.70 = 10,251,446.20 : x
  2. Step 2: Convert to fraction form
    12,490,934.20/18,708,407.70 = 10,251,446.20/x
  3. Step 3: Cross multiply
    12,490,934.20x = 18,708,407.70 × 10,251,446.20
  4. Step 4: Simplify right side
    12,490,934.20x = 191,788,235,024,215.72
  5. Step 5: Solve for x
    x = 191,788,235,024,215.72/12,490,934.20
  6. Step 6: Final answer
    x = 15,354,194.65

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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.