Home / 28,377,300.95-39,160,674.62-15,324,558.78

Finding the Fourth Proportional to 28,377,300.95, 39,160,674.62 and 15,324,558.78

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Solution

The fourth proportional to 28,377,300.95, 39,160,674.62 and 15,324,558.78 is: 21,147,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,300.95 : 39,160,674.62 = 15,324,558.78 : x
  2. Step 2: Convert to fraction form
    28,377,300.95/39,160,674.62 = 15,324,558.78/x
  3. Step 3: Cross multiply
    28,377,300.95x = 39,160,674.62 × 15,324,558.78
  4. Step 4: Simplify right side
    28,377,300.95x = 600,120,060,206,341
  5. Step 5: Solve for x
    x = 600,120,060,206,341/28,377,300.95
  6. Step 6: Final answer
    x = 21,147,890.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.