Home / 8,713,034.20-13,072,661.70-3,665,891.80

Finding the Fourth Proportional to 8,713,034.20, 13,072,661.70 and 3,665,891.80

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Solution

The fourth proportional to 8,713,034.20, 13,072,661.70 and 3,665,891.80 is: 5,500,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,034.20 : 13,072,661.70 = 3,665,891.80 : x
  2. Step 2: Convert to fraction form
    8,713,034.20/13,072,661.70 = 3,665,891.80/x
  3. Step 3: Cross multiply
    8,713,034.20x = 13,072,661.70 × 3,665,891.80
  4. Step 4: Simplify right side
    8,713,034.20x = 47,922,963,330,204.05
  5. Step 5: Solve for x
    x = 47,922,963,330,204.05/8,713,034.20
  6. Step 6: Final answer
    x = 5,500,146.36

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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.