Home / 12,375,768.60-18,577,649.70-7,329,922.20

Finding the Fourth Proportional to 12,375,768.60, 18,577,649.70 and 7,329,922.20

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Solution

The fourth proportional to 12,375,768.60, 18,577,649.70 and 7,329,922.20 is: 11,003,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,768.60 : 18,577,649.70 = 7,329,922.20 : x
  2. Step 2: Convert to fraction form
    12,375,768.60/18,577,649.70 = 7,329,922.20/x
  3. Step 3: Cross multiply
    12,375,768.60x = 18,577,649.70 × 7,329,922.20
  4. Step 4: Simplify right side
    12,375,768.60x = 136,172,726,959,853.34
  5. Step 5: Solve for x
    x = 136,172,726,959,853.34/12,375,768.60
  6. Step 6: Final answer
    x = 11,003,173.33

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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.