Home / 13,948,540.80-19,249,003.20-7,836,965.76

Finding the Fourth Proportional to 13,948,540.80, 19,249,003.20 and 7,836,965.76

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Solution

The fourth proportional to 13,948,540.80, 19,249,003.20 and 7,836,965.76 is: 10,815,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948,540.80 : 19,249,003.20 = 7,836,965.76 : x
  2. Step 2: Convert to fraction form
    13,948,540.80/19,249,003.20 = 7,836,965.76/x
  3. Step 3: Cross multiply
    13,948,540.80x = 19,249,003.20 × 7,836,965.76
  4. Step 4: Simplify right side
    13,948,540.80x = 150,853,778,992,530.41
  5. Step 5: Solve for x
    x = 150,853,778,992,530.41/13,948,540.80
  6. Step 6: Final answer
    x = 10,815,022.24

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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.