Home / 13,079,568.98-18,039,580.52-8,497,366.58

Finding the Fourth Proportional to 13,079,568.98, 18,039,580.52 and 8,497,366.58

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Solution

The fourth proportional to 13,079,568.98, 18,039,580.52 and 8,497,366.58 is: 11,719,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,568.98 : 18,039,580.52 = 8,497,366.58 : x
  2. Step 2: Convert to fraction form
    13,079,568.98/18,039,580.52 = 8,497,366.58/x
  3. Step 3: Cross multiply
    13,079,568.98x = 18,039,580.52 × 8,497,366.58
  4. Step 4: Simplify right side
    13,079,568.98x = 153,288,928,627,867.03
  5. Step 5: Solve for x
    x = 153,288,928,627,867.03/13,079,568.98
  6. Step 6: Final answer
    x = 11,719,723.25

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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.