Home / 12,199,026.20-18,277,544.10-7,937,000.60

Finding the Fourth Proportional to 12,199,026.20, 18,277,544.10 and 7,937,000.60

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Solution

The fourth proportional to 12,199,026.20, 18,277,544.10 and 7,937,000.60 is: 11,891,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,026.20 : 18,277,544.10 = 7,937,000.60 : x
  2. Step 2: Convert to fraction form
    12,199,026.20/18,277,544.10 = 7,937,000.60/x
  3. Step 3: Cross multiply
    12,199,026.20x = 18,277,544.10 × 7,937,000.60
  4. Step 4: Simplify right side
    12,199,026.20x = 145,068,878,488,226.47
  5. Step 5: Solve for x
    x = 145,068,878,488,226.47/12,199,026.20
  6. Step 6: Final answer
    x = 11,891,840.88

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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.