Home / 7,114,768.40-9,818,378.22-3,851,580.68

Finding the Fourth Proportional to 7,114,768.40, 9,818,378.22 and 3,851,580.68

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Solution

The fourth proportional to 7,114,768.40, 9,818,378.22 and 3,851,580.68 is: 5,315,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114,768.40 : 9,818,378.22 = 3,851,580.68 : x
  2. Step 2: Convert to fraction form
    7,114,768.40/9,818,378.22 = 3,851,580.68/x
  3. Step 3: Cross multiply
    7,114,768.40x = 9,818,378.22 × 3,851,580.68
  4. Step 4: Simplify right side
    7,114,768.40x = 37,816,275,861,084.80
  5. Step 5: Solve for x
    x = 37,816,275,861,084.80/7,114,768.40
  6. Step 6: Final answer
    x = 5,315,180.16

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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.