Home / 12,454,932.30-18,682,398.45-7,061,498.70

Finding the Fourth Proportional to 12,454,932.30, 18,682,398.45 and 7,061,498.70

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Solution

The fourth proportional to 12,454,932.30, 18,682,398.45 and 7,061,498.70 is: 10,592,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,932.30 : 18,682,398.45 = 7,061,498.70 : x
  2. Step 2: Convert to fraction form
    12,454,932.30/18,682,398.45 = 7,061,498.70/x
  3. Step 3: Cross multiply
    12,454,932.30x = 18,682,398.45 × 7,061,498.70
  4. Step 4: Simplify right side
    12,454,932.30x = 131,925,732,367,557.02
  5. Step 5: Solve for x
    x = 131,925,732,367,557.02/12,454,932.30
  6. Step 6: Final answer
    x = 10,592,248.05

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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.