Home / 12,408,584.40-18,614,626.20-3,888,032.40

Finding the Fourth Proportional to 12,408,584.40, 18,614,626.20 and 3,888,032.40

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Solution

The fourth proportional to 12,408,584.40, 18,614,626.20 and 3,888,032.40 is: 5,832,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,584.40 : 18,614,626.20 = 3,888,032.40 : x
  2. Step 2: Convert to fraction form
    12,408,584.40/18,614,626.20 = 3,888,032.40/x
  3. Step 3: Cross multiply
    12,408,584.40x = 18,614,626.20 × 3,888,032.40
  4. Step 4: Simplify right side
    12,408,584.40x = 72,374,269,779,488.88
  5. Step 5: Solve for x
    x = 72,374,269,779,488.88/12,408,584.40
  6. Step 6: Final answer
    x = 5,832,596.81

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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.