Home / 9,138,474.07-12,610,661.57-5,469,412.21

Finding the Fourth Proportional to 9,138,474.07, 12,610,661.57 and 5,469,412.21

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Solution

The fourth proportional to 9,138,474.07, 12,610,661.57 and 5,469,412.21 is: 7,547,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,474.07 : 12,610,661.57 = 5,469,412.21 : x
  2. Step 2: Convert to fraction form
    9,138,474.07/12,610,661.57 = 5,469,412.21/x
  3. Step 3: Cross multiply
    9,138,474.07x = 12,610,661.57 × 5,469,412.21
  4. Step 4: Simplify right side
    9,138,474.07x = 68,972,906,367,135.77
  5. Step 5: Solve for x
    x = 68,972,906,367,135.77/9,138,474.07
  6. Step 6: Final answer
    x = 7,547,529.91

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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.