Home / 7,114,755.87-9,818,361-3,851,568.18

Finding the Fourth Proportional to 7,114,755.87, 9,818,361 and 3,851,568.18

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Solution

The fourth proportional to 7,114,755.87, 9,818,361 and 3,851,568.18 is: 5,315,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114,755.87 : 9,818,361 = 3,851,568.18 : x
  2. Step 2: Convert to fraction form
    7,114,755.87/9,818,361 = 3,851,568.18/x
  3. Step 3: Cross multiply
    7,114,755.87x = 9,818,361 × 3,851,568.18
  4. Step 4: Simplify right side
    7,114,755.87x = 37,816,086,807,352.98
  5. Step 5: Solve for x
    x = 37,816,086,807,352.98/7,114,755.87
  6. Step 6: Final answer
    x = 5,315,162.95

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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.