Home / 21,265,044.75-29,345,909.38-12,097,687.50

Finding the Fourth Proportional to 21,265,044.75, 29,345,909.38 and 12,097,687.50

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Solution

The fourth proportional to 21,265,044.75, 29,345,909.38 and 12,097,687.50 is: 16,694,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265,044.75 : 29,345,909.38 = 12,097,687.50 : x
  2. Step 2: Convert to fraction form
    21,265,044.75/29,345,909.38 = 12,097,687.50/x
  3. Step 3: Cross multiply
    21,265,044.75x = 29,345,909.38 × 12,097,687.50
  4. Step 4: Simplify right side
    21,265,044.75x = 355,017,641,052,314.56
  5. Step 5: Solve for x
    x = 355,017,641,052,314.56/21,265,044.75
  6. Step 6: Final answer
    x = 16,694,892.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.