Home / 12,690,672.32-19,037,005.92-3,592,622.40

Finding the Fourth Proportional to 12,690,672.32, 19,037,005.92 and 3,592,622.40

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Solution

The fourth proportional to 12,690,672.32, 19,037,005.92 and 3,592,622.40 is: 5,389,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690,672.32 : 19,037,005.92 = 3,592,622.40 : x
  2. Step 2: Convert to fraction form
    12,690,672.32/19,037,005.92 = 3,592,622.40/x
  3. Step 3: Cross multiply
    12,690,672.32x = 19,037,005.92 × 3,592,622.40
  4. Step 4: Simplify right side
    12,690,672.32x = 68,392,773,897,124.61
  5. Step 5: Solve for x
    x = 68,392,773,897,124.61/12,690,672.32
  6. Step 6: Final answer
    x = 5,389,215.97

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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.