Home / 28,585,295.11-39,447,621.37-15,532,593.85

Finding the Fourth Proportional to 28,585,295.11, 39,447,621.37 and 15,532,593.85

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Solution

The fourth proportional to 28,585,295.11, 39,447,621.37 and 15,532,593.85 is: 21,434,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,295.11 : 39,447,621.37 = 15,532,593.85 : x
  2. Step 2: Convert to fraction form
    28,585,295.11/39,447,621.37 = 15,532,593.85/x
  3. Step 3: Cross multiply
    28,585,295.11x = 39,447,621.37 × 15,532,593.85
  4. Step 4: Simplify right side
    28,585,295.11x = 612,723,881,088,790.50
  5. Step 5: Solve for x
    x = 612,723,881,088,790.50/28,585,295.11
  6. Step 6: Final answer
    x = 21,434,932.85

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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.