Home / 28,039,960.80-41,966,629.20-20,341,720.80

Finding the Fourth Proportional to 28,039,960.80, 41,966,629.20 and 20,341,720.80

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Solution

The fourth proportional to 28,039,960.80, 41,966,629.20 and 20,341,720.80 is: 30,444,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,960.80 : 41,966,629.20 = 20,341,720.80 : x
  2. Step 2: Convert to fraction form
    28,039,960.80/41,966,629.20 = 20,341,720.80/x
  3. Step 3: Cross multiply
    28,039,960.80x = 41,966,629.20 × 20,341,720.80
  4. Step 4: Simplify right side
    28,039,960.80x = 853,673,454,103,527.50
  5. Step 5: Solve for x
    x = 853,673,454,103,527.50/28,039,960.80
  6. Step 6: Final answer
    x = 30,444,887.57

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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.