Home / 26,218,928.26-36,182,275.62-15,212,231.72

Finding the Fourth Proportional to 26,218,928.26, 36,182,275.62 and 15,212,231.72

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Solution

The fourth proportional to 26,218,928.26, 36,182,275.62 and 15,212,231.72 is: 20,992,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218,928.26 : 36,182,275.62 = 15,212,231.72 : x
  2. Step 2: Convert to fraction form
    26,218,928.26/36,182,275.62 = 15,212,231.72/x
  3. Step 3: Cross multiply
    26,218,928.26x = 36,182,275.62 × 15,212,231.72
  4. Step 4: Simplify right side
    26,218,928.26x = 550,413,160,888,346.62
  5. Step 5: Solve for x
    x = 550,413,160,888,346.62/26,218,928.26
  6. Step 6: Final answer
    x = 20,992,969.48

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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.