Home / 12,249,540.90-18,374,311.35-3,728,770.20

Finding the Fourth Proportional to 12,249,540.90, 18,374,311.35 and 3,728,770.20

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Solution

The fourth proportional to 12,249,540.90, 18,374,311.35 and 3,728,770.20 is: 5,593,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,540.90 : 18,374,311.35 = 3,728,770.20 : x
  2. Step 2: Convert to fraction form
    12,249,540.90/18,374,311.35 = 3,728,770.20/x
  3. Step 3: Cross multiply
    12,249,540.90x = 18,374,311.35 × 3,728,770.20
  4. Step 4: Simplify right side
    12,249,540.90x = 68,513,584,607,401.78
  5. Step 5: Solve for x
    x = 68,513,584,607,401.78/12,249,540.90
  6. Step 6: Final answer
    x = 5,593,155.30

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Double scale
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Similar ratio
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1.5x scale

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.