Home / 21,783,677.40-32,675,516.10-13,721,520.60

Finding the Fourth Proportional to 21,783,677.40, 32,675,516.10 and 13,721,520.60

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Solution

The fourth proportional to 21,783,677.40, 32,675,516.10 and 13,721,520.60 is: 20,582,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,677.40 : 32,675,516.10 = 13,721,520.60 : x
  2. Step 2: Convert to fraction form
    21,783,677.40/32,675,516.10 = 13,721,520.60/x
  3. Step 3: Cross multiply
    21,783,677.40x = 32,675,516.10 × 13,721,520.60
  4. Step 4: Simplify right side
    21,783,677.40x = 448,357,767,281,781.69
  5. Step 5: Solve for x
    x = 448,357,767,281,781.69/21,783,677.40
  6. Step 6: Final answer
    x = 20,582,280.90

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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.