Home / 8,311,149.25-12,474,387.37-4,215,344.93

Finding the Fourth Proportional to 8,311,149.25, 12,474,387.37 and 4,215,344.93

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Solution

The fourth proportional to 8,311,149.25, 12,474,387.37 and 4,215,344.93 is: 6,326,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,149.25 : 12,474,387.37 = 4,215,344.93 : x
  2. Step 2: Convert to fraction form
    8,311,149.25/12,474,387.37 = 4,215,344.93/x
  3. Step 3: Cross multiply
    8,311,149.25x = 12,474,387.37 × 4,215,344.93
  4. Step 4: Simplify right side
    8,311,149.25x = 52,583,845,492,613.59
  5. Step 5: Solve for x
    x = 52,583,845,492,613.59/8,311,149.25
  6. Step 6: Final answer
    x = 6,326,904.25

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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.