Home / 7,791,531.78-11,687,297.70-2,111,756.10

Finding the Fourth Proportional to 7,791,531.78, 11,687,297.70 and 2,111,756.10

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Solution

The fourth proportional to 7,791,531.78, 11,687,297.70 and 2,111,756.10 is: 3,167,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,531.78 : 11,687,297.70 = 2,111,756.10 : x
  2. Step 2: Convert to fraction form
    7,791,531.78/11,687,297.70 = 2,111,756.10/x
  3. Step 3: Cross multiply
    7,791,531.78x = 11,687,297.70 × 2,111,756.10
  4. Step 4: Simplify right side
    7,791,531.78x = 24,680,722,210,490.97
  5. Step 5: Solve for x
    x = 24,680,722,210,490.97/7,791,531.78
  6. Step 6: Final answer
    x = 3,167,634.16

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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.