Home / 28,183,318.48-38,895,378.12-15,962,349.52

Finding the Fourth Proportional to 28,183,318.48, 38,895,378.12 and 15,962,349.52

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Solution

The fourth proportional to 28,183,318.48, 38,895,378.12 and 15,962,349.52 is: 22,029,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183,318.48 : 38,895,378.12 = 15,962,349.52 : x
  2. Step 2: Convert to fraction form
    28,183,318.48/38,895,378.12 = 15,962,349.52/x
  3. Step 3: Cross multiply
    28,183,318.48x = 38,895,378.12 × 15,962,349.52
  4. Step 4: Simplify right side
    28,183,318.48x = 620,861,620,264,000.50
  5. Step 5: Solve for x
    x = 620,861,620,264,000.50/28,183,318.48
  6. Step 6: Final answer
    x = 22,029,400.86

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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.