Home / 9,120,191.14-13,672,560.21-3,998,739.70

Finding the Fourth Proportional to 9,120,191.14, 13,672,560.21 and 3,998,739.70

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Solution

The fourth proportional to 9,120,191.14, 13,672,560.21 and 3,998,739.70 is: 5,994,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,191.14 : 13,672,560.21 = 3,998,739.70 : x
  2. Step 2: Convert to fraction form
    9,120,191.14/13,672,560.21 = 3,998,739.70/x
  3. Step 3: Cross multiply
    9,120,191.14x = 13,672,560.21 × 3,998,739.70
  4. Step 4: Simplify right side
    9,120,191.14x = 54,673,009,312,367.34
  5. Step 5: Solve for x
    x = 54,673,009,312,367.34/9,120,191.14
  6. Step 6: Final answer
    x = 5,994,721.87

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1.5x scale

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.