Home / 9,482,163.12-13,085,285.40-5,131,154.16

Finding the Fourth Proportional to 9,482,163.12, 13,085,285.40 and 5,131,154.16

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Solution

The fourth proportional to 9,482,163.12, 13,085,285.40 and 5,131,154.16 is: 7,080,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482,163.12 : 13,085,285.40 = 5,131,154.16 : x
  2. Step 2: Convert to fraction form
    9,482,163.12/13,085,285.40 = 5,131,154.16/x
  3. Step 3: Cross multiply
    9,482,163.12x = 13,085,285.40 × 5,131,154.16
  4. Step 4: Simplify right side
    9,482,163.12x = 67,142,616,614,997.27
  5. Step 5: Solve for x
    x = 67,142,616,614,997.27/9,482,163.12
  6. Step 6: Final answer
    x = 7,080,938.79

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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.