Home / 10,163,340.95-15,231,555.09-7,454,984.85

Finding the Fourth Proportional to 10,163,340.95, 15,231,555.09 and 7,454,984.85

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Solution

The fourth proportional to 10,163,340.95, 15,231,555.09 and 7,454,984.85 is: 11,172,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163,340.95 : 15,231,555.09 = 7,454,984.85 : x
  2. Step 2: Convert to fraction form
    10,163,340.95/15,231,555.09 = 7,454,984.85/x
  3. Step 3: Cross multiply
    10,163,340.95x = 15,231,555.09 × 7,454,984.85
  4. Step 4: Simplify right side
    10,163,340.95x = 113,551,012,437,890.38
  5. Step 5: Solve for x
    x = 113,551,012,437,890.38/10,163,340.95
  6. Step 6: Final answer
    x = 11,172,606.83

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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.