Home / 28,506,502-42,766,882.60-8,311,744

Finding the Fourth Proportional to 28,506,502, 42,766,882.60 and 8,311,744

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Solution

The fourth proportional to 28,506,502, 42,766,882.60 and 8,311,744 is: 12,469,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506,502 : 42,766,882.60 = 8,311,744 : x
  2. Step 2: Convert to fraction form
    28,506,502/42,766,882.60 = 8,311,744/x
  3. Step 3: Cross multiply
    28,506,502x = 42,766,882.60 × 8,311,744
  4. Step 4: Simplify right side
    28,506,502x = 355,467,379,849,254.44
  5. Step 5: Solve for x
    x = 355,467,379,849,254.44/28,506,502
  6. Step 6: Final answer
    x = 12,469,694.80

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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.