Home / 21,555,861.75-32,342,671.85-15,827,846.31

Finding the Fourth Proportional to 21,555,861.75, 32,342,671.85 and 15,827,846.31

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Solution

The fourth proportional to 21,555,861.75, 32,342,671.85 and 15,827,846.31 is: 23,748,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,861.75 : 32,342,671.85 = 15,827,846.31 : x
  2. Step 2: Convert to fraction form
    21,555,861.75/32,342,671.85 = 15,827,846.31/x
  3. Step 3: Cross multiply
    21,555,861.75x = 32,342,671.85 × 15,827,846.31
  4. Step 4: Simplify right side
    21,555,861.75x = 511,914,839,217,424.12
  5. Step 5: Solve for x
    x = 511,914,839,217,424.12/21,555,861.75
  6. Step 6: Final answer
    x = 23,748,289.22

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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.