Home / 8,555,690.38-12,836,395.14-2,798,686.66

Finding the Fourth Proportional to 8,555,690.38, 12,836,395.14 and 2,798,686.66

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Solution

The fourth proportional to 8,555,690.38, 12,836,395.14 and 2,798,686.66 is: 4,198,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555,690.38 : 12,836,395.14 = 2,798,686.66 : x
  2. Step 2: Convert to fraction form
    8,555,690.38/12,836,395.14 = 2,798,686.66/x
  3. Step 3: Cross multiply
    8,555,690.38x = 12,836,395.14 × 2,798,686.66
  4. Step 4: Simplify right side
    8,555,690.38x = 35,925,047,840,806.84
  5. Step 5: Solve for x
    x = 35,925,047,840,806.84/8,555,690.38
  6. Step 6: Final answer
    x = 4,198,965.40

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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.