Home / 20,671,063.30-31,006,594.95-13,490,704.90

Finding the Fourth Proportional to 20,671,063.30, 31,006,594.95 and 13,490,704.90

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Solution

The fourth proportional to 20,671,063.30, 31,006,594.95 and 13,490,704.90 is: 20,236,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,063.30 : 31,006,594.95 = 13,490,704.90 : x
  2. Step 2: Convert to fraction form
    20,671,063.30/31,006,594.95 = 13,490,704.90/x
  3. Step 3: Cross multiply
    20,671,063.30x = 31,006,594.95 × 13,490,704.90
  4. Step 4: Simplify right side
    20,671,063.30x = 418,300,822,424,280.25
  5. Step 5: Solve for x
    x = 418,300,822,424,280.25/20,671,063.30
  6. Step 6: Final answer
    x = 20,236,057.35

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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.