Home / 31,515,993.36-47,270,439.36-8,488,613.34

Finding the Fourth Proportional to 31,515,993.36, 47,270,439.36 and 8,488,613.34

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Solution

The fourth proportional to 31,515,993.36, 47,270,439.36 and 8,488,613.34 is: 12,731,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515,993.36 : 47,270,439.36 = 8,488,613.34 : x
  2. Step 2: Convert to fraction form
    31,515,993.36/47,270,439.36 = 8,488,613.34/x
  3. Step 3: Cross multiply
    31,515,993.36x = 47,270,439.36 × 8,488,613.34
  4. Step 4: Simplify right side
    31,515,993.36x = 401,260,482,138,957.06
  5. Step 5: Solve for x
    x = 401,260,482,138,957.06/31,515,993.36
  6. Step 6: Final answer
    x = 12,731,963.66

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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.