Home / 12,882,607.08-17,778,034.68-7,376,066.46

Finding the Fourth Proportional to 12,882,607.08, 17,778,034.68 and 7,376,066.46

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Solution

The fourth proportional to 12,882,607.08, 17,778,034.68 and 7,376,066.46 is: 10,178,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,607.08 : 17,778,034.68 = 7,376,066.46 : x
  2. Step 2: Convert to fraction form
    12,882,607.08/17,778,034.68 = 7,376,066.46/x
  3. Step 3: Cross multiply
    12,882,607.08x = 17,778,034.68 × 7,376,066.46
  4. Step 4: Simplify right side
    12,882,607.08x = 131,131,965,327,864.83
  5. Step 5: Solve for x
    x = 131,131,965,327,864.83/12,882,607.08
  6. Step 6: Final answer
    x = 10,178,992.85

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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.