Home / 7,791,546.90-11,687,320.17-2,111,771.10

Finding the Fourth Proportional to 7,791,546.90, 11,687,320.17 and 2,111,771.10

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Solution

The fourth proportional to 7,791,546.90, 11,687,320.17 and 2,111,771.10 is: 3,167,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,546.90 : 11,687,320.17 = 2,111,771.10 : x
  2. Step 2: Convert to fraction form
    7,791,546.90/11,687,320.17 = 2,111,771.10/x
  3. Step 3: Cross multiply
    7,791,546.90x = 11,687,320.17 × 2,111,771.10
  4. Step 4: Simplify right side
    7,791,546.90x = 24,680,944,971,453.09
  5. Step 5: Solve for x
    x = 24,680,944,971,453.09/7,791,546.90
  6. Step 6: Final answer
    x = 3,167,656.60

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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.