Home / 12,755,505.78-17,602,701.00-6,954,329.72

Finding the Fourth Proportional to 12,755,505.78, 17,602,701.00 and 6,954,329.72

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Solution

The fourth proportional to 12,755,505.78, 17,602,701.00 and 6,954,329.72 is: 9,597,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,505.78 : 17,602,701.00 = 6,954,329.72 : x
  2. Step 2: Convert to fraction form
    12,755,505.78/17,602,701.00 = 6,954,329.72/x
  3. Step 3: Cross multiply
    12,755,505.78x = 17,602,701.00 × 6,954,329.72
  4. Step 4: Simplify right side
    12,755,505.78x = 122,414,986,734,501.73
  5. Step 5: Solve for x
    x = 122,414,986,734,501.73/12,755,505.78
  6. Step 6: Final answer
    x = 9,597,031.18

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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.