Home / 12,621,449.12-18,925,437.32-6,550,067.39

Finding the Fourth Proportional to 12,621,449.12, 18,925,437.32 and 6,550,067.39

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Solution

The fourth proportional to 12,621,449.12, 18,925,437.32 and 6,550,067.39 is: 9,821,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,449.12 : 18,925,437.32 = 6,550,067.39 : x
  2. Step 2: Convert to fraction form
    12,621,449.12/18,925,437.32 = 6,550,067.39/x
  3. Step 3: Cross multiply
    12,621,449.12x = 18,925,437.32 × 6,550,067.39
  4. Step 4: Simplify right side
    12,621,449.12x = 123,962,889,798,470.66
  5. Step 5: Solve for x
    x = 123,962,889,798,470.66/12,621,449.12
  6. Step 6: Final answer
    x = 9,821,605.16

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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.