Home / 9,985,771.20-13,780,755.18-5,855,228.04

Finding the Fourth Proportional to 9,985,771.20, 13,780,755.18 and 5,855,228.04

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Solution

The fourth proportional to 9,985,771.20, 13,780,755.18 and 5,855,228.04 is: 8,080,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,771.20 : 13,780,755.18 = 5,855,228.04 : x
  2. Step 2: Convert to fraction form
    9,985,771.20/13,780,755.18 = 5,855,228.04/x
  3. Step 3: Cross multiply
    9,985,771.20x = 13,780,755.18 × 5,855,228.04
  4. Step 4: Simplify right side
    9,985,771.20x = 80,689,464,142,311.25
  5. Step 5: Solve for x
    x = 80,689,464,142,311.25/9,985,771.20
  6. Step 6: Final answer
    x = 8,080,443.92

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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.