Home / 38,421,007.80-57,631,511.70-15,718,198.20

Finding the Fourth Proportional to 38,421,007.80, 57,631,511.70 and 15,718,198.20

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Solution

The fourth proportional to 38,421,007.80, 57,631,511.70 and 15,718,198.20 is: 23,577,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421,007.80 : 57,631,511.70 = 15,718,198.20 : x
  2. Step 2: Convert to fraction form
    38,421,007.80/57,631,511.70 = 15,718,198.20/x
  3. Step 3: Cross multiply
    38,421,007.80x = 57,631,511.70 × 15,718,198.20
  4. Step 4: Simplify right side
    38,421,007.80x = 905,863,523,466,219
  5. Step 5: Solve for x
    x = 905,863,523,466,219/38,421,007.80
  6. Step 6: Final answer
    x = 23,577,297.30

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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.