Home / 18,976,549.93-28,466,574.77-6,197,121.61

Finding the Fourth Proportional to 18,976,549.93, 28,466,574.77 and 6,197,121.61

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Solution

The fourth proportional to 18,976,549.93, 28,466,574.77 and 6,197,121.61 is: 9,296,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,549.93 : 28,466,574.77 = 6,197,121.61 : x
  2. Step 2: Convert to fraction form
    18,976,549.93/28,466,574.77 = 6,197,121.61/x
  3. Step 3: Cross multiply
    18,976,549.93x = 28,466,574.77 × 6,197,121.61
  4. Step 4: Simplify right side
    18,976,549.93x = 176,410,825,669,847.78
  5. Step 5: Solve for x
    x = 176,410,825,669,847.78/18,976,549.93
  6. Step 6: Final answer
    x = 9,296,253.87

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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.