Home / 13,609,860.25-18,781,596.83-7,498,288.75

Finding the Fourth Proportional to 13,609,860.25, 18,781,596.83 and 7,498,288.75

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Solution

The fourth proportional to 13,609,860.25, 18,781,596.83 and 7,498,288.75 is: 10,347,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,860.25 : 18,781,596.83 = 7,498,288.75 : x
  2. Step 2: Convert to fraction form
    13,609,860.25/18,781,596.83 = 7,498,288.75/x
  3. Step 3: Cross multiply
    13,609,860.25x = 18,781,596.83 × 7,498,288.75
  4. Step 4: Simplify right side
    13,609,860.25x = 140,829,836,217,424.66
  5. Step 5: Solve for x
    x = 140,829,836,217,424.66/13,609,860.25
  6. Step 6: Final answer
    x = 10,347,632.79

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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.