Home / 12,049,921.12-18,077,943.48-3,414,012.16

Finding the Fourth Proportional to 12,049,921.12, 18,077,943.48 and 3,414,012.16

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Solution

The fourth proportional to 12,049,921.12, 18,077,943.48 and 3,414,012.16 is: 5,121,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049,921.12 : 18,077,943.48 = 3,414,012.16 : x
  2. Step 2: Convert to fraction form
    12,049,921.12/18,077,943.48 = 3,414,012.16/x
  3. Step 3: Cross multiply
    12,049,921.12x = 18,077,943.48 × 3,414,012.16
  4. Step 4: Simplify right side
    12,049,921.12x = 61,718,318,868,512.72
  5. Step 5: Solve for x
    x = 61,718,318,868,512.72/12,049,921.12
  6. Step 6: Final answer
    x = 5,121,885.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.