Home / 12,474,002.20-18,725,000.10-9,646,648.60

Finding the Fourth Proportional to 12,474,002.20, 18,725,000.10 and 9,646,648.60

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Solution

The fourth proportional to 12,474,002.20, 18,725,000.10 and 9,646,648.60 is: 14,480,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,002.20 : 18,725,000.10 = 9,646,648.60 : x
  2. Step 2: Convert to fraction form
    12,474,002.20/18,725,000.10 = 9,646,648.60/x
  3. Step 3: Cross multiply
    12,474,002.20x = 18,725,000.10 × 9,646,648.60
  4. Step 4: Simplify right side
    12,474,002.20x = 180,633,495,999,664.88
  5. Step 5: Solve for x
    x = 180,633,495,999,664.88/12,474,002.20
  6. Step 6: Final answer
    x = 14,480,797.19

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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.