Home / 13,148,147.46-18,146,245.85-7,566,279.32

Finding the Fourth Proportional to 13,148,147.46, 18,146,245.85 and 7,566,279.32

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Solution

The fourth proportional to 13,148,147.46, 18,146,245.85 and 7,566,279.32 is: 10,442,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,147.46 : 18,146,245.85 = 7,566,279.32 : x
  2. Step 2: Convert to fraction form
    13,148,147.46/18,146,245.85 = 7,566,279.32/x
  3. Step 3: Cross multiply
    13,148,147.46x = 18,146,245.85 × 7,566,279.32
  4. Step 4: Simplify right side
    13,148,147.46x = 137,299,564,758,065.98
  5. Step 5: Solve for x
    x = 137,299,564,758,065.98/13,148,147.46
  6. Step 6: Final answer
    x = 10,442,502.65

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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.