Home / 7,971,531.80-11,957,297.70-7,761,579.80

Finding the Fourth Proportional to 7,971,531.80, 11,957,297.70 and 7,761,579.80

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Solution

The fourth proportional to 7,971,531.80, 11,957,297.70 and 7,761,579.80 is: 11,642,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,531.80 : 11,957,297.70 = 7,761,579.80 : x
  2. Step 2: Convert to fraction form
    7,971,531.80/11,957,297.70 = 7,761,579.80/x
  3. Step 3: Cross multiply
    7,971,531.80x = 11,957,297.70 × 7,761,579.80
  4. Step 4: Simplify right side
    7,971,531.80x = 92,807,520,290,906.45
  5. Step 5: Solve for x
    x = 92,807,520,290,906.45/7,971,531.80
  6. Step 6: Final answer
    x = 11,642,369.70

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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.