Home / 20,936,022.32-31,403,994.60-6,560,191.28

Finding the Fourth Proportional to 20,936,022.32, 31,403,994.60 and 6,560,191.28

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Solution

The fourth proportional to 20,936,022.32, 31,403,994.60 and 6,560,191.28 is: 9,840,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,936,022.32 : 31,403,994.60 = 6,560,191.28 : x
  2. Step 2: Convert to fraction form
    20,936,022.32/31,403,994.60 = 6,560,191.28/x
  3. Step 3: Cross multiply
    20,936,022.32x = 31,403,994.60 × 6,560,191.28
  4. Step 4: Simplify right side
    20,936,022.32x = 206,016,211,532,087.09
  5. Step 5: Solve for x
    x = 206,016,211,532,087.09/20,936,022.32
  6. Step 6: Final answer
    x = 9,840,274.74

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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.