Home / 12,865,371.75-17,754,213.02-7,432,863.75

Finding the Fourth Proportional to 12,865,371.75, 17,754,213.02 and 7,432,863.75

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Solution

The fourth proportional to 12,865,371.75, 17,754,213.02 and 7,432,863.75 is: 10,257,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,371.75 : 17,754,213.02 = 7,432,863.75 : x
  2. Step 2: Convert to fraction form
    12,865,371.75/17,754,213.02 = 7,432,863.75/x
  3. Step 3: Cross multiply
    12,865,371.75x = 17,754,213.02 × 7,432,863.75
  4. Step 4: Simplify right side
    12,865,371.75x = 131,964,646,328,971.70
  5. Step 5: Solve for x
    x = 131,964,646,328,971.70/12,865,371.75
  6. Step 6: Final answer
    x = 10,257,351.98

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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.