Home / 12,276,117.18-18,416,067.82-4,187,203.04

Finding the Fourth Proportional to 12,276,117.18, 18,416,067.82 and 4,187,203.04

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Solution

The fourth proportional to 12,276,117.18, 18,416,067.82 and 4,187,203.04 is: 6,281,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276,117.18 : 18,416,067.82 = 4,187,203.04 : x
  2. Step 2: Convert to fraction form
    12,276,117.18/18,416,067.82 = 4,187,203.04/x
  3. Step 3: Cross multiply
    12,276,117.18x = 18,416,067.82 × 4,187,203.04
  4. Step 4: Simplify right side
    12,276,117.18x = 77,111,815,160,750.17
  5. Step 5: Solve for x
    x = 77,111,815,160,750.17/12,276,117.18
  6. Step 6: Final answer
    x = 6,281,449.91

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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.