Home / 8,175,142.16-12,255,088.44-2,780,105.84

Finding the Fourth Proportional to 8,175,142.16, 12,255,088.44 and 2,780,105.84

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Solution

The fourth proportional to 8,175,142.16, 12,255,088.44 and 2,780,105.84 is: 4,167,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175,142.16 : 12,255,088.44 = 2,780,105.84 : x
  2. Step 2: Convert to fraction form
    8,175,142.16/12,255,088.44 = 2,780,105.84/x
  3. Step 3: Cross multiply
    8,175,142.16x = 12,255,088.44 × 2,780,105.84
  4. Step 4: Simplify right side
    8,175,142.16x = 34,070,442,941,760.48
  5. Step 5: Solve for x
    x = 34,070,442,941,760.48/8,175,142.16
  6. Step 6: Final answer
    x = 4,167,565.81

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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.