Home / 12,600,987.75-18,901,481.63-3,625,539.75

Finding the Fourth Proportional to 12,600,987.75, 18,901,481.63 and 3,625,539.75

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Solution

The fourth proportional to 12,600,987.75, 18,901,481.63 and 3,625,539.75 is: 5,438,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600,987.75 : 18,901,481.63 = 3,625,539.75 : x
  2. Step 2: Convert to fraction form
    12,600,987.75/18,901,481.63 = 3,625,539.75/x
  3. Step 3: Cross multiply
    12,600,987.75x = 18,901,481.63 × 3,625,539.75
  4. Step 4: Simplify right side
    12,600,987.75x = 68,528,072,965,332.09
  5. Step 5: Solve for x
    x = 68,528,072,965,332.09/12,600,987.75
  6. Step 6: Final answer
    x = 5,438,309.63

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1.5x scale

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.