Home / 8,579,187.66-12,868,770.62-2,189,440.16

Finding the Fourth Proportional to 8,579,187.66, 12,868,770.62 and 2,189,440.16

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Solution

The fourth proportional to 8,579,187.66, 12,868,770.62 and 2,189,440.16 is: 3,284,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,187.66 : 12,868,770.62 = 2,189,440.16 : x
  2. Step 2: Convert to fraction form
    8,579,187.66/12,868,770.62 = 2,189,440.16/x
  3. Step 3: Cross multiply
    8,579,187.66x = 12,868,770.62 × 2,189,440.16
  4. Step 4: Simplify right side
    8,579,187.66x = 28,175,403,129,965.04
  5. Step 5: Solve for x
    x = 28,175,403,129,965.04/8,579,187.66
  6. Step 6: Final answer
    x = 3,284,157.46

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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.