Home / 25,716,611.20-38,560,900.80-7,763,382.40

Finding the Fourth Proportional to 25,716,611.20, 38,560,900.80 and 7,763,382.40

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Solution

The fourth proportional to 25,716,611.20, 38,560,900.80 and 7,763,382.40 is: 11,640,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716,611.20 : 38,560,900.80 = 7,763,382.40 : x
  2. Step 2: Convert to fraction form
    25,716,611.20/38,560,900.80 = 7,763,382.40/x
  3. Step 3: Cross multiply
    25,716,611.20x = 38,560,900.80 × 7,763,382.40
  4. Step 4: Simplify right side
    25,716,611.20x = 299,363,018,598,865.94
  5. Step 5: Solve for x
    x = 299,363,018,598,865.94/25,716,611.20
  6. Step 6: Final answer
    x = 11,640,842.42

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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.