Home / 9,466,318.78-13,063,524.05-5,115,405.40

Finding the Fourth Proportional to 9,466,318.78, 13,063,524.05 and 5,115,405.40

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Solution

The fourth proportional to 9,466,318.78, 13,063,524.05 and 5,115,405.40 is: 7,059,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,466,318.78 : 13,063,524.05 = 5,115,405.40 : x
  2. Step 2: Convert to fraction form
    9,466,318.78/13,063,524.05 = 5,115,405.40/x
  3. Step 3: Cross multiply
    9,466,318.78x = 13,063,524.05 × 5,115,405.40
  4. Step 4: Simplify right side
    9,466,318.78x = 66,825,221,468,399.88
  5. Step 5: Solve for x
    x = 66,825,221,468,399.88/9,466,318.78
  6. Step 6: Final answer
    x = 7,059,261.69

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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.