Home / 12,377,019.15-18,565,528.73-3,280,520.70

Finding the Fourth Proportional to 12,377,019.15, 18,565,528.73 and 3,280,520.70

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Solution

The fourth proportional to 12,377,019.15, 18,565,528.73 and 3,280,520.70 is: 4,920,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,019.15 : 18,565,528.73 = 3,280,520.70 : x
  2. Step 2: Convert to fraction form
    12,377,019.15/18,565,528.73 = 3,280,520.70/x
  3. Step 3: Cross multiply
    12,377,019.15x = 18,565,528.73 × 3,280,520.70
  4. Step 4: Simplify right side
    12,377,019.15x = 60,904,601,305,209.72
  5. Step 5: Solve for x
    x = 60,904,601,305,209.72/12,377,019.15
  6. Step 6: Final answer
    x = 4,920,781.05

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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.