Home / 12,882,587.97-17,778,008.28-7,376,047.29

Finding the Fourth Proportional to 12,882,587.97, 17,778,008.28 and 7,376,047.29

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Solution

The fourth proportional to 12,882,587.97, 17,778,008.28 and 7,376,047.29 is: 10,178,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,587.97 : 17,778,008.28 = 7,376,047.29 : x
  2. Step 2: Convert to fraction form
    12,882,587.97/17,778,008.28 = 7,376,047.29/x
  3. Step 3: Cross multiply
    12,882,587.97x = 17,778,008.28 × 7,376,047.29
  4. Step 4: Simplify right side
    12,882,587.97x = 131,131,429,795,291.58
  5. Step 5: Solve for x
    x = 131,131,429,795,291.58/12,882,587.97
  6. Step 6: Final answer
    x = 10,178,966.38

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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.