Home / 20,148,091.62-30,228,066.90-6,500,981.97

Finding the Fourth Proportional to 20,148,091.62, 30,228,066.90 and 6,500,981.97

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Solution

The fourth proportional to 20,148,091.62, 30,228,066.90 and 6,500,981.97 is: 9,753,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,091.62 : 30,228,066.90 = 6,500,981.97 : x
  2. Step 2: Convert to fraction form
    20,148,091.62/30,228,066.90 = 6,500,981.97/x
  3. Step 3: Cross multiply
    20,148,091.62x = 30,228,066.90 × 6,500,981.97
  4. Step 4: Simplify right side
    20,148,091.62x = 196,512,117,904,853.78
  5. Step 5: Solve for x
    x = 196,512,117,904,853.78/20,148,091.62
  6. Step 6: Final answer
    x = 9,753,386.16

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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.