Home / 12,408,586.40-18,614,629.20-3,888,034.40

Finding the Fourth Proportional to 12,408,586.40, 18,614,629.20 and 3,888,034.40

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Solution

The fourth proportional to 12,408,586.40, 18,614,629.20 and 3,888,034.40 is: 5,832,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,586.40 : 18,614,629.20 = 3,888,034.40 : x
  2. Step 2: Convert to fraction form
    12,408,586.40/18,614,629.20 = 3,888,034.40/x
  3. Step 3: Cross multiply
    12,408,586.40x = 18,614,629.20 × 3,888,034.40
  4. Step 4: Simplify right side
    12,408,586.40x = 72,374,318,672,844.47
  5. Step 5: Solve for x
    x = 72,374,318,672,844.47/12,408,586.40
  6. Step 6: Final answer
    x = 5,832,599.81

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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.