Home / 13,258,060.38-18,295,942.74-7,456,839.84

Finding the Fourth Proportional to 13,258,060.38, 18,295,942.74 and 7,456,839.84

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Solution

The fourth proportional to 13,258,060.38, 18,295,942.74 and 7,456,839.84 is: 10,290,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,060.38 : 18,295,942.74 = 7,456,839.84 : x
  2. Step 2: Convert to fraction form
    13,258,060.38/18,295,942.74 = 7,456,839.84/x
  3. Step 3: Cross multiply
    13,258,060.38x = 18,295,942.74 × 7,456,839.84
  4. Step 4: Simplify right side
    13,258,060.38x = 136,429,914,733,990.75
  5. Step 5: Solve for x
    x = 136,429,914,733,990.75/13,258,060.38
  6. Step 6: Final answer
    x = 10,290,337.41

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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.