Home / 7,480,139.20-11,192,215.20-4,960,715.20

Finding the Fourth Proportional to 7,480,139.20, 11,192,215.20 and 4,960,715.20

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Solution

The fourth proportional to 7,480,139.20, 11,192,215.20 and 4,960,715.20 is: 7,422,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,139.20 : 11,192,215.20 = 4,960,715.20 : x
  2. Step 2: Convert to fraction form
    7,480,139.20/11,192,215.20 = 4,960,715.20/x
  3. Step 3: Cross multiply
    7,480,139.20x = 11,192,215.20 × 4,960,715.20
  4. Step 4: Simplify right side
    7,480,139.20x = 55,521,392,064,311.04
  5. Step 5: Solve for x
    x = 55,521,392,064,311.04/7,480,139.20
  6. Step 6: Final answer
    x = 7,422,507.87

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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.