Home / 13,332,390.39-18,398,641.98-7,452,016.78

Finding the Fourth Proportional to 13,332,390.39, 18,398,641.98 and 7,452,016.78

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Solution

The fourth proportional to 13,332,390.39, 18,398,641.98 and 7,452,016.78 is: 10,283,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332,390.39 : 18,398,641.98 = 7,452,016.78 : x
  2. Step 2: Convert to fraction form
    13,332,390.39/18,398,641.98 = 7,452,016.78/x
  3. Step 3: Cross multiply
    13,332,390.39x = 18,398,641.98 × 7,452,016.78
  4. Step 4: Simplify right side
    13,332,390.39x = 137,106,988,764,172.44
  5. Step 5: Solve for x
    x = 137,106,988,764,172.44/13,332,390.39
  6. Step 6: Final answer
    x = 10,283,751.43

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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.