Home / 18,948,672.24-28,422,744.30-4,571,619.36

Finding the Fourth Proportional to 18,948,672.24, 28,422,744.30 and 4,571,619.36

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Solution

The fourth proportional to 18,948,672.24, 28,422,744.30 and 4,571,619.36 is: 6,857,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,672.24 : 28,422,744.30 = 4,571,619.36 : x
  2. Step 2: Convert to fraction form
    18,948,672.24/28,422,744.30 = 4,571,619.36/x
  3. Step 3: Cross multiply
    18,948,672.24x = 28,422,744.30 × 4,571,619.36
  4. Step 4: Simplify right side
    18,948,672.24x = 129,937,968,106,209.66
  5. Step 5: Solve for x
    x = 129,937,968,106,209.66/18,948,672.24
  6. Step 6: Final answer
    x = 6,857,365.33

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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.