Home / 7,883,428.80-11,825,143.20-5,993,860.80

Finding the Fourth Proportional to 7,883,428.80, 11,825,143.20 and 5,993,860.80

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Solution

The fourth proportional to 7,883,428.80, 11,825,143.20 and 5,993,860.80 is: 8,990,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,428.80 : 11,825,143.20 = 5,993,860.80 : x
  2. Step 2: Convert to fraction form
    7,883,428.80/11,825,143.20 = 5,993,860.80/x
  3. Step 3: Cross multiply
    7,883,428.80x = 11,825,143.20 × 5,993,860.80
  4. Step 4: Simplify right side
    7,883,428.80x = 70,878,262,280,866.55
  5. Step 5: Solve for x
    x = 70,878,262,280,866.55/7,883,428.80
  6. Step 6: Final answer
    x = 8,990,791.20

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1.5x scale

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.