Home / 12,674,181.54-17,490,375.17-6,872,961.74

Finding the Fourth Proportional to 12,674,181.54, 17,490,375.17 and 6,872,961.74

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Solution

The fourth proportional to 12,674,181.54, 17,490,375.17 and 6,872,961.74 is: 9,484,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,181.54 : 17,490,375.17 = 6,872,961.74 : x
  2. Step 2: Convert to fraction form
    12,674,181.54/17,490,375.17 = 6,872,961.74/x
  3. Step 3: Cross multiply
    12,674,181.54x = 17,490,375.17 × 6,872,961.74
  4. Step 4: Simplify right side
    12,674,181.54x = 120,210,679,239,839.31
  5. Step 5: Solve for x
    x = 120,210,679,239,839.31/12,674,181.54
  6. Step 6: Final answer
    x = 9,484,689.71

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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.