Home / 28,378,348.53-39,162,119.47-15,325,606.19

Finding the Fourth Proportional to 28,378,348.53, 39,162,119.47 and 15,325,606.19

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Solution

The fourth proportional to 28,378,348.53, 39,162,119.47 and 15,325,606.19 is: 21,149,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378,348.53 : 39,162,119.47 = 15,325,606.19 : x
  2. Step 2: Convert to fraction form
    28,378,348.53/39,162,119.47 = 15,325,606.19/x
  3. Step 3: Cross multiply
    28,378,348.53x = 39,162,119.47 × 15,325,606.19
  4. Step 4: Simplify right side
    28,378,348.53x = 600,183,220,562,951.50
  5. Step 5: Solve for x
    x = 600,183,220,562,951.50/28,378,348.53
  6. Step 6: Final answer
    x = 21,149,335.73

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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.