Home / 21,581,280.70-32,371,921.05-16,762,882.30

Finding the Fourth Proportional to 21,581,280.70, 32,371,921.05 and 16,762,882.30

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Solution

The fourth proportional to 21,581,280.70, 32,371,921.05 and 16,762,882.30 is: 25,144,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,280.70 : 32,371,921.05 = 16,762,882.30 : x
  2. Step 2: Convert to fraction form
    21,581,280.70/32,371,921.05 = 16,762,882.30/x
  3. Step 3: Cross multiply
    21,581,280.70x = 32,371,921.05 × 16,762,882.30
  4. Step 4: Simplify right side
    21,581,280.70x = 542,646,702,386,042.44
  5. Step 5: Solve for x
    x = 542,646,702,386,042.44/21,581,280.70
  6. Step 6: Final answer
    x = 25,144,323.45

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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.