Home / 7,878,404.52-11,813,174.19-2,486,049.84

Finding the Fourth Proportional to 7,878,404.52, 11,813,174.19 and 2,486,049.84

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Solution

The fourth proportional to 7,878,404.52, 11,813,174.19 and 2,486,049.84 is: 3,727,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,404.52 : 11,813,174.19 = 2,486,049.84 : x
  2. Step 2: Convert to fraction form
    7,878,404.52/11,813,174.19 = 2,486,049.84/x
  3. Step 3: Cross multiply
    7,878,404.52x = 11,813,174.19 × 2,486,049.84
  4. Step 4: Simplify right side
    7,878,404.52x = 29,368,139,804,941.62
  5. Step 5: Solve for x
    x = 29,368,139,804,941.62/7,878,404.52
  6. Step 6: Final answer
    x = 3,727,676.05

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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.