Home / 21,387,893.20-32,081,839.80-16,610,318.80

Finding the Fourth Proportional to 21,387,893.20, 32,081,839.80 and 16,610,318.80

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Solution

The fourth proportional to 21,387,893.20, 32,081,839.80 and 16,610,318.80 is: 24,915,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,893.20 : 32,081,839.80 = 16,610,318.80 : x
  2. Step 2: Convert to fraction form
    21,387,893.20/32,081,839.80 = 16,610,318.80/x
  3. Step 3: Cross multiply
    21,387,893.20x = 32,081,839.80 × 16,610,318.80
  4. Step 4: Simplify right side
    21,387,893.20x = 532,889,586,768,528.25
  5. Step 5: Solve for x
    x = 532,889,586,768,528.25/21,387,893.20
  6. Step 6: Final answer
    x = 24,915,478.20

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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.