Home / 9,217,973.66-12,722,084.33-5,143,855.10

Finding the Fourth Proportional to 9,217,973.66, 12,722,084.33 and 5,143,855.10

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Solution

The fourth proportional to 9,217,973.66, 12,722,084.33 and 5,143,855.10 is: 7,099,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,973.66 : 12,722,084.33 = 5,143,855.10 : x
  2. Step 2: Convert to fraction form
    9,217,973.66/12,722,084.33 = 5,143,855.10/x
  3. Step 3: Cross multiply
    9,217,973.66x = 12,722,084.33 × 5,143,855.10
  4. Step 4: Simplify right side
    9,217,973.66x = 65,440,558,274,170.88
  5. Step 5: Solve for x
    x = 65,440,558,274,170.88/9,217,973.66
  6. Step 6: Final answer
    x = 7,099,234.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.