Home / 13,079,254.56-18,039,146.08-8,497,052.32

Finding the Fourth Proportional to 13,079,254.56, 18,039,146.08 and 8,497,052.32

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Solution

The fourth proportional to 13,079,254.56, 18,039,146.08 and 8,497,052.32 is: 11,719,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,254.56 : 18,039,146.08 = 8,497,052.32 : x
  2. Step 2: Convert to fraction form
    13,079,254.56/18,039,146.08 = 8,497,052.32/x
  3. Step 3: Cross multiply
    13,079,254.56x = 18,039,146.08 × 8,497,052.32
  4. Step 4: Simplify right side
    13,079,254.56x = 153,279,568,049,882.91
  5. Step 5: Solve for x
    x = 153,279,568,049,882.91/13,079,254.56
  6. Step 6: Final answer
    x = 11,719,289.30

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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.