Home / 25,422,405.80-38,133,608.70-15,218,738.60

Finding the Fourth Proportional to 25,422,405.80, 38,133,608.70 and 15,218,738.60

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Solution

The fourth proportional to 25,422,405.80, 38,133,608.70 and 15,218,738.60 is: 22,828,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422,405.80 : 38,133,608.70 = 15,218,738.60 : x
  2. Step 2: Convert to fraction form
    25,422,405.80/38,133,608.70 = 15,218,738.60/x
  3. Step 3: Cross multiply
    25,422,405.80x = 38,133,608.70 × 15,218,738.60
  4. Step 4: Simplify right side
    25,422,405.80x = 580,345,422,679,985.88
  5. Step 5: Solve for x
    x = 580,345,422,679,985.88/25,422,405.80
  6. Step 6: Final answer
    x = 22,828,107.90

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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.