Home / 13,561,463.46-18,715,157.04-7,366,508.22

Finding the Fourth Proportional to 13,561,463.46, 18,715,157.04 and 7,366,508.22

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Solution

The fourth proportional to 13,561,463.46, 18,715,157.04 and 7,366,508.22 is: 10,165,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,463.46 : 18,715,157.04 = 7,366,508.22 : x
  2. Step 2: Convert to fraction form
    13,561,463.46/18,715,157.04 = 7,366,508.22/x
  3. Step 3: Cross multiply
    13,561,463.46x = 18,715,157.04 × 7,366,508.22
  4. Step 4: Simplify right side
    13,561,463.46x = 137,865,358,173,750.86
  5. Step 5: Solve for x
    x = 137,865,358,173,750.86/13,561,463.46
  6. Step 6: Final answer
    x = 10,165,964.65

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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.