Home / 12,381,701.20-18,575,176.20-3,745,092.40

Finding the Fourth Proportional to 12,381,701.20, 18,575,176.20 and 3,745,092.40

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Solution

The fourth proportional to 12,381,701.20, 18,575,176.20 and 3,745,092.40 is: 5,618,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,701.20 : 18,575,176.20 = 3,745,092.40 : x
  2. Step 2: Convert to fraction form
    12,381,701.20/18,575,176.20 = 3,745,092.40/x
  3. Step 3: Cross multiply
    12,381,701.20x = 18,575,176.20 × 3,745,092.40
  4. Step 4: Simplify right side
    12,381,701.20x = 69,565,751,215,280.88
  5. Step 5: Solve for x
    x = 69,565,751,215,280.88/12,381,701.20
  6. Step 6: Final answer
    x = 5,618,432.40

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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.