Home / 21,791,287.80-32,686,844.04-6,645,175.56

Finding the Fourth Proportional to 21,791,287.80, 32,686,844.04 and 6,645,175.56

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Solution

The fourth proportional to 21,791,287.80, 32,686,844.04 and 6,645,175.56 is: 9,967,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,287.80 : 32,686,844.04 = 6,645,175.56 : x
  2. Step 2: Convert to fraction form
    21,791,287.80/32,686,844.04 = 6,645,175.56/x
  3. Step 3: Cross multiply
    21,791,287.80x = 32,686,844.04 × 6,645,175.56
  4. Step 4: Simplify right side
    21,791,287.80x = 217,209,817,148,139.66
  5. Step 5: Solve for x
    x = 217,209,817,148,139.66/21,791,287.80
  6. Step 6: Final answer
    x = 9,967,736.61

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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.