Home / 18,258,432-25,197,424.83-10,109,670

Finding the Fourth Proportional to 18,258,432, 25,197,424.83 and 10,109,670

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Solution

The fourth proportional to 18,258,432, 25,197,424.83 and 10,109,670 is: 13,951,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258,432 : 25,197,424.83 = 10,109,670 : x
  2. Step 2: Convert to fraction form
    18,258,432/25,197,424.83 = 10,109,670/x
  3. Step 3: Cross multiply
    18,258,432x = 25,197,424.83 × 10,109,670
  4. Step 4: Simplify right side
    18,258,432x = 254,737,649,881,106.09
  5. Step 5: Solve for x
    x = 254,737,649,881,106.09/18,258,432
  6. Step 6: Final answer
    x = 13,951,781.29

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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.