Home / 7,672,217.40-11,520,767.70-5,557,145.40

Finding the Fourth Proportional to 7,672,217.40, 11,520,767.70 and 5,557,145.40

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Solution

The fourth proportional to 7,672,217.40, 11,520,767.70 and 5,557,145.40 is: 8,344,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672,217.40 : 11,520,767.70 = 5,557,145.40 : x
  2. Step 2: Convert to fraction form
    7,672,217.40/11,520,767.70 = 5,557,145.40/x
  3. Step 3: Cross multiply
    7,672,217.40x = 11,520,767.70 × 5,557,145.40
  4. Step 4: Simplify right side
    7,672,217.40x = 64,022,581,228,523.58
  5. Step 5: Solve for x
    x = 64,022,581,228,523.58/7,672,217.40
  6. Step 6: Final answer
    x = 8,344,729.81

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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.