Home / 12,882,625.56-17,778,060-7,376,084.82

Finding the Fourth Proportional to 12,882,625.56, 17,778,060 and 7,376,084.82

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Solution

The fourth proportional to 12,882,625.56, 17,778,060 and 7,376,084.82 is: 10,179,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,625.56 : 17,778,060 = 7,376,084.82 : x
  2. Step 2: Convert to fraction form
    12,882,625.56/17,778,060 = 7,376,084.82/x
  3. Step 3: Cross multiply
    12,882,625.56x = 17,778,060 × 7,376,084.82
  4. Step 4: Simplify right side
    12,882,625.56x = 131,132,478,495,049.20
  5. Step 5: Solve for x
    x = 131,132,478,495,049.20/12,882,625.56
  6. Step 6: Final answer
    x = 10,179,018.08

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1.5x scale

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.