Home / 7,482,425.10-11,195,611.65-5,328,429.90

Finding the Fourth Proportional to 7,482,425.10, 11,195,611.65 and 5,328,429.90

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Solution

The fourth proportional to 7,482,425.10, 11,195,611.65 and 5,328,429.90 is: 7,972,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482,425.10 : 11,195,611.65 = 5,328,429.90 : x
  2. Step 2: Convert to fraction form
    7,482,425.10/11,195,611.65 = 5,328,429.90/x
  3. Step 3: Cross multiply
    7,482,425.10x = 11,195,611.65 × 5,328,429.90
  4. Step 4: Simplify right side
    7,482,425.10x = 59,655,031,864,648.34
  5. Step 5: Solve for x
    x = 59,655,031,864,648.34/7,482,425.10
  6. Step 6: Final answer
    x = 7,972,686.81

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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.