Home / 13,564,481.85-18,719,197.31-7,369,651.26

Finding the Fourth Proportional to 13,564,481.85, 18,719,197.31 and 7,369,651.26

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Solution

The fourth proportional to 13,564,481.85, 18,719,197.31 and 7,369,651.26 is: 10,170,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,481.85 : 18,719,197.31 = 7,369,651.26 : x
  2. Step 2: Convert to fraction form
    13,564,481.85/18,719,197.31 = 7,369,651.26/x
  3. Step 3: Cross multiply
    13,564,481.85x = 18,719,197.31 × 7,369,651.26
  4. Step 4: Simplify right side
    13,564,481.85x = 137,953,956,004,981.84
  5. Step 5: Solve for x
    x = 137,953,956,004,981.84/13,564,481.85
  6. Step 6: Final answer
    x = 10,170,234.11

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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.