Home / 17,258,959.80-23,821,440.78-9,921,049.92

Finding the Fourth Proportional to 17,258,959.80, 23,821,440.78 and 9,921,049.92

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Solution

The fourth proportional to 17,258,959.80, 23,821,440.78 and 9,921,049.92 is: 13,693,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,258,959.80 : 23,821,440.78 = 9,921,049.92 : x
  2. Step 2: Convert to fraction form
    17,258,959.80/23,821,440.78 = 9,921,049.92/x
  3. Step 3: Cross multiply
    17,258,959.80x = 23,821,440.78 × 9,921,049.92
  4. Step 4: Simplify right side
    17,258,959.80x = 236,333,703,144,703.75
  5. Step 5: Solve for x
    x = 236,333,703,144,703.75/17,258,959.80
  6. Step 6: Final answer
    x = 13,693,392.06

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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.