Home / 40,990,107.70-61,476,304.20-17,960,997.70

Finding the Fourth Proportional to 40,990,107.70, 61,476,304.20 and 17,960,997.70

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Solution

The fourth proportional to 40,990,107.70, 61,476,304.20 and 17,960,997.70 is: 26,937,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990,107.70 : 61,476,304.20 = 17,960,997.70 : x
  2. Step 2: Convert to fraction form
    40,990,107.70/61,476,304.20 = 17,960,997.70/x
  3. Step 3: Cross multiply
    40,990,107.70x = 61,476,304.20 × 17,960,997.70
  4. Step 4: Simplify right side
    40,990,107.70x = 1,104,175,758,340,700.38
  5. Step 5: Solve for x
    x = 1,104,175,758,340,700.38/40,990,107.70
  6. Step 6: Final answer
    x = 26,937,615.45

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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.