Home / 9,179,543.10-13,769,314.65-8,187,519.90

Finding the Fourth Proportional to 9,179,543.10, 13,769,314.65 and 8,187,519.90

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Solution

The fourth proportional to 9,179,543.10, 13,769,314.65 and 8,187,519.90 is: 12,281,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,543.10 : 13,769,314.65 = 8,187,519.90 : x
  2. Step 2: Convert to fraction form
    9,179,543.10/13,769,314.65 = 8,187,519.90/x
  3. Step 3: Cross multiply
    9,179,543.10x = 13,769,314.65 × 8,187,519.90
  4. Step 4: Simplify right side
    9,179,543.10x = 112,736,537,706,236.55
  5. Step 5: Solve for x
    x = 112,736,537,706,236.55/9,179,543.10
  6. Step 6: Final answer
    x = 12,281,279.85

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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.