Home / 12,711,691.72-17,525,668.98-8,233,278.40

Finding the Fourth Proportional to 12,711,691.72, 17,525,668.98 and 8,233,278.40

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Solution

The fourth proportional to 12,711,691.72, 17,525,668.98 and 8,233,278.40 is: 11,351,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,691.72 : 17,525,668.98 = 8,233,278.40 : x
  2. Step 2: Convert to fraction form
    12,711,691.72/17,525,668.98 = 8,233,278.40/x
  3. Step 3: Cross multiply
    12,711,691.72x = 17,525,668.98 × 8,233,278.40
  4. Step 4: Simplify right side
    12,711,691.72x = 144,293,711,858,584.03
  5. Step 5: Solve for x
    x = 144,293,711,858,584.03/12,711,691.72
  6. Step 6: Final answer
    x = 11,351,259.54

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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.