Home / 9,919,836.88-13,689,364.56-5,568,931.60

Finding the Fourth Proportional to 9,919,836.88, 13,689,364.56 and 5,568,931.60

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Solution

The fourth proportional to 9,919,836.88, 13,689,364.56 and 5,568,931.60 is: 7,685,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,836.88 : 13,689,364.56 = 5,568,931.60 : x
  2. Step 2: Convert to fraction form
    9,919,836.88/13,689,364.56 = 5,568,931.60/x
  3. Step 3: Cross multiply
    9,919,836.88x = 13,689,364.56 × 5,568,931.60
  4. Step 4: Simplify right side
    9,919,836.88x = 76,235,134,882,104.09
  5. Step 5: Solve for x
    x = 76,235,134,882,104.09/9,919,836.88
  6. Step 6: Final answer
    x = 7,685,119.81

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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.