Home / 10,079,839.41-13,923,870.54-7,902,195.37

Finding the Fourth Proportional to 10,079,839.41, 13,923,870.54 and 7,902,195.37

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Solution

The fourth proportional to 10,079,839.41, 13,923,870.54 and 7,902,195.37 is: 10,915,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,839.41 : 13,923,870.54 = 7,902,195.37 : x
  2. Step 2: Convert to fraction form
    10,079,839.41/13,923,870.54 = 7,902,195.37/x
  3. Step 3: Cross multiply
    10,079,839.41x = 13,923,870.54 × 7,902,195.37
  4. Step 4: Simplify right side
    10,079,839.41x = 110,029,145,249,224.50
  5. Step 5: Solve for x
    x = 110,029,145,249,224.50/10,079,839.41
  6. Step 6: Final answer
    x = 10,915,763.71

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1.5x scale

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.