Home / 5,487,988.70-8,231,983.05-5,383,012.70

Finding the Fourth Proportional to 5,487,988.70, 8,231,983.05 and 5,383,012.70

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Solution

The fourth proportional to 5,487,988.70, 8,231,983.05 and 5,383,012.70 is: 8,074,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,988.70 : 8,231,983.05 = 5,383,012.70 : x
  2. Step 2: Convert to fraction form
    5,487,988.70/8,231,983.05 = 5,383,012.70/x
  3. Step 3: Cross multiply
    5,487,988.70x = 8,231,983.05 × 5,383,012.70
  4. Step 4: Simplify right side
    5,487,988.70x = 44,312,869,304,334.73
  5. Step 5: Solve for x
    x = 44,312,869,304,334.73/5,487,988.70
  6. Step 6: Final answer
    x = 8,074,519.05

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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.