Home / 47,403,251.80-71,062,304.10-18,668,987.80

Finding the Fourth Proportional to 47,403,251.80, 71,062,304.10 and 18,668,987.80

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Solution

The fourth proportional to 47,403,251.80, 71,062,304.10 and 18,668,987.80 is: 27,986,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403,251.80 : 71,062,304.10 = 18,668,987.80 : x
  2. Step 2: Convert to fraction form
    47,403,251.80/71,062,304.10 = 18,668,987.80/x
  3. Step 3: Cross multiply
    47,403,251.80x = 71,062,304.10 × 18,668,987.80
  4. Step 4: Simplify right side
    47,403,251.80x = 1,326,661,288,282,790
  5. Step 5: Solve for x
    x = 1,326,661,288,282,790/47,403,251.80
  6. Step 6: Final answer
    x = 27,986,714.79

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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.