Home / 7,469,686.80-11,204,530.20-7,422,447.60

Finding the Fourth Proportional to 7,469,686.80, 11,204,530.20 and 7,422,447.60

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Solution

The fourth proportional to 7,469,686.80, 11,204,530.20 and 7,422,447.60 is: 11,133,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469,686.80 : 11,204,530.20 = 7,422,447.60 : x
  2. Step 2: Convert to fraction form
    7,469,686.80/11,204,530.20 = 7,422,447.60/x
  3. Step 3: Cross multiply
    7,469,686.80x = 11,204,530.20 × 7,422,447.60
  4. Step 4: Simplify right side
    7,469,686.80x = 83,165,038,292,117.52
  5. Step 5: Solve for x
    x = 83,165,038,292,117.52/7,469,686.80
  6. Step 6: Final answer
    x = 11,133,671.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.