Home / 7,479,103.02-11,209,797.18-3,432,179.82

Finding the Fourth Proportional to 7,479,103.02, 11,209,797.18 and 3,432,179.82

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Solution

The fourth proportional to 7,479,103.02, 11,209,797.18 and 3,432,179.82 is: 5,144,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,103.02 : 11,209,797.18 = 3,432,179.82 : x
  2. Step 2: Convert to fraction form
    7,479,103.02/11,209,797.18 = 3,432,179.82/x
  3. Step 3: Cross multiply
    7,479,103.02x = 11,209,797.18 × 3,432,179.82
  4. Step 4: Simplify right side
    7,479,103.02x = 38,474,039,667,488.91
  5. Step 5: Solve for x
    x = 38,474,039,667,488.91/7,479,103.02
  6. Step 6: Final answer
    x = 5,144,205.07

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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.