Home / 21,581,281.70-32,371,922.55-16,762,883.30

Finding the Fourth Proportional to 21,581,281.70, 32,371,922.55 and 16,762,883.30

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Solution

The fourth proportional to 21,581,281.70, 32,371,922.55 and 16,762,883.30 is: 25,144,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,281.70 : 32,371,922.55 = 16,762,883.30 : x
  2. Step 2: Convert to fraction form
    21,581,281.70/32,371,922.55 = 16,762,883.30/x
  3. Step 3: Cross multiply
    21,581,281.70x = 32,371,922.55 × 16,762,883.30
  4. Step 4: Simplify right side
    21,581,281.70x = 542,646,759,902,288.44
  5. Step 5: Solve for x
    x = 542,646,759,902,288.44/21,581,281.70
  6. Step 6: Final answer
    x = 25,144,324.95

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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.