Home / 21,581,285.70-32,371,928.55-16,762,887.30

Finding the Fourth Proportional to 21,581,285.70, 32,371,928.55 and 16,762,887.30

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Solution

The fourth proportional to 21,581,285.70, 32,371,928.55 and 16,762,887.30 is: 25,144,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,285.70 : 32,371,928.55 = 16,762,887.30 : x
  2. Step 2: Convert to fraction form
    21,581,285.70/32,371,928.55 = 16,762,887.30/x
  3. Step 3: Cross multiply
    21,581,285.70x = 32,371,928.55 × 16,762,887.30
  4. Step 4: Simplify right side
    21,581,285.70x = 542,646,989,967,302.44
  5. Step 5: Solve for x
    x = 542,646,989,967,302.44/21,581,285.70
  6. Step 6: Final answer
    x = 25,144,330.95

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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.