Home / 20,160,725.20-30,241,087.80-7,381,646.80

Finding the Fourth Proportional to 20,160,725.20, 30,241,087.80 and 7,381,646.80

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Solution

The fourth proportional to 20,160,725.20, 30,241,087.80 and 7,381,646.80 is: 11,072,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,725.20 : 30,241,087.80 = 7,381,646.80 : x
  2. Step 2: Convert to fraction form
    20,160,725.20/30,241,087.80 = 7,381,646.80/x
  3. Step 3: Cross multiply
    20,160,725.20x = 30,241,087.80 × 7,381,646.80
  4. Step 4: Simplify right side
    20,160,725.20x = 223,229,028,987,389.03
  5. Step 5: Solve for x
    x = 223,229,028,987,389.03/20,160,725.20
  6. Step 6: Final answer
    x = 11,072,470.20

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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.