Home / 8,666,121.39-11,971,704.56-6,921,500.24

Finding the Fourth Proportional to 8,666,121.39, 11,971,704.56 and 6,921,500.24

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Solution

The fourth proportional to 8,666,121.39, 11,971,704.56 and 6,921,500.24 is: 9,561,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,121.39 : 11,971,704.56 = 6,921,500.24 : x
  2. Step 2: Convert to fraction form
    8,666,121.39/11,971,704.56 = 6,921,500.24/x
  3. Step 3: Cross multiply
    8,666,121.39x = 11,971,704.56 × 6,921,500.24
  4. Step 4: Simplify right side
    8,666,121.39x = 82,862,155,890,783.08
  5. Step 5: Solve for x
    x = 82,862,155,890,783.08/8,666,121.39
  6. Step 6: Final answer
    x = 9,561,619.57

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1.5x scale

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.