Home / 21,842,861.10-32,764,291.65-20,496,543.90

Finding the Fourth Proportional to 21,842,861.10, 32,764,291.65 and 20,496,543.90

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Solution

The fourth proportional to 21,842,861.10, 32,764,291.65 and 20,496,543.90 is: 30,744,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,861.10 : 32,764,291.65 = 20,496,543.90 : x
  2. Step 2: Convert to fraction form
    21,842,861.10/32,764,291.65 = 20,496,543.90/x
  3. Step 3: Cross multiply
    21,842,861.10x = 32,764,291.65 × 20,496,543.90
  4. Step 4: Simplify right side
    21,842,861.10x = 671,554,742,156,628.38
  5. Step 5: Solve for x
    x = 671,554,742,156,628.38/21,842,861.10
  6. Step 6: Final answer
    x = 30,744,815.85

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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.