Home / 47,403,250.80-71,062,302.60-18,668,986.80

Finding the Fourth Proportional to 47,403,250.80, 71,062,302.60 and 18,668,986.80

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Solution

The fourth proportional to 47,403,250.80, 71,062,302.60 and 18,668,986.80 is: 27,986,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,403,250.80 : 71,062,302.60 = 18,668,986.80 : x
  2. Step 2: Convert to fraction form
    47,403,250.80/71,062,302.60 = 18,668,986.80/x
  3. Step 3: Cross multiply
    47,403,250.80x = 71,062,302.60 × 18,668,986.80
  4. Step 4: Simplify right side
    47,403,250.80x = 1,326,661,189,217,005.50
  5. Step 5: Solve for x
    x = 1,326,661,189,217,005.50/47,403,250.80
  6. Step 6: Final answer
    x = 27,986,713.29

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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.