Home / 9,482,781.02-13,086,239.04-5,131,868.45

Finding the Fourth Proportional to 9,482,781.02, 13,086,239.04 and 5,131,868.45

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Solution

The fourth proportional to 9,482,781.02, 13,086,239.04 and 5,131,868.45 is: 7,081,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482,781.02 : 13,086,239.04 = 5,131,868.45 : x
  2. Step 2: Convert to fraction form
    9,482,781.02/13,086,239.04 = 5,131,868.45/x
  3. Step 3: Cross multiply
    9,482,781.02x = 13,086,239.04 × 5,131,868.45
  4. Step 4: Simplify right side
    9,482,781.02x = 67,156,857,193,103.09
  5. Step 5: Solve for x
    x = 67,156,857,193,103.09/9,482,781.02
  6. Step 6: Final answer
    x = 7,081,979.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.