Home / 25,111,711.20-37,667,566.80-20,072,863.20

Finding the Fourth Proportional to 25,111,711.20, 37,667,566.80 and 20,072,863.20

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Solution

The fourth proportional to 25,111,711.20, 37,667,566.80 and 20,072,863.20 is: 30,109,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111,711.20 : 37,667,566.80 = 20,072,863.20 : x
  2. Step 2: Convert to fraction form
    25,111,711.20/37,667,566.80 = 20,072,863.20/x
  3. Step 3: Cross multiply
    25,111,711.20x = 37,667,566.80 × 20,072,863.20
  4. Step 4: Simplify right side
    25,111,711.20x = 756,095,915,453,261.62
  5. Step 5: Solve for x
    x = 756,095,915,453,261.62/25,111,711.20
  6. Step 6: Final answer
    x = 30,109,294.80

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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.