Home / 21,294,720.60-31,942,080.90-16,255,872.60

Finding the Fourth Proportional to 21,294,720.60, 31,942,080.90 and 16,255,872.60

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Solution

The fourth proportional to 21,294,720.60, 31,942,080.90 and 16,255,872.60 is: 24,383,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,720.60 : 31,942,080.90 = 16,255,872.60 : x
  2. Step 2: Convert to fraction form
    21,294,720.60/31,942,080.90 = 16,255,872.60/x
  3. Step 3: Cross multiply
    21,294,720.60x = 31,942,080.90 × 16,255,872.60
  4. Step 4: Simplify right side
    21,294,720.60x = 519,246,397,689,293.31
  5. Step 5: Solve for x
    x = 519,246,397,689,293.31/21,294,720.60
  6. Step 6: Final answer
    x = 24,383,808.90

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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.