Home / 12,084,181.12-18,126,094.20-2,986,278.46

Finding the Fourth Proportional to 12,084,181.12, 18,126,094.20 and 2,986,278.46

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Solution

The fourth proportional to 12,084,181.12, 18,126,094.20 and 2,986,278.46 is: 4,479,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,181.12 : 18,126,094.20 = 2,986,278.46 : x
  2. Step 2: Convert to fraction form
    12,084,181.12/18,126,094.20 = 2,986,278.46/x
  3. Step 3: Cross multiply
    12,084,181.12x = 18,126,094.20 × 2,986,278.46
  4. Step 4: Simplify right side
    12,084,181.12x = 54,129,564,696,048.55
  5. Step 5: Solve for x
    x = 54,129,564,696,048.55/12,084,181.12
  6. Step 6: Final answer
    x = 4,479,373.83

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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.