Home / 15,959,178.21-23,942,129.83-5,175,638.21

Finding the Fourth Proportional to 15,959,178.21, 23,942,129.83 and 5,175,638.21

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Solution

The fourth proportional to 15,959,178.21, 23,942,129.83 and 5,175,638.21 is: 7,764,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959,178.21 : 23,942,129.83 = 5,175,638.21 : x
  2. Step 2: Convert to fraction form
    15,959,178.21/23,942,129.83 = 5,175,638.21/x
  3. Step 3: Cross multiply
    15,959,178.21x = 23,942,129.83 × 5,175,638.21
  4. Step 4: Simplify right side
    15,959,178.21x = 123,915,801,976,928.80
  5. Step 5: Solve for x
    x = 123,915,801,976,928.80/15,959,178.21
  6. Step 6: Final answer
    x = 7,764,547.79

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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.