Home / 8,942,800.80-12,340,869.84-5,222,271

Finding the Fourth Proportional to 8,942,800.80, 12,340,869.84 and 5,222,271

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Solution

The fourth proportional to 8,942,800.80, 12,340,869.84 and 5,222,271 is: 7,206,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942,800.80 : 12,340,869.84 = 5,222,271 : x
  2. Step 2: Convert to fraction form
    8,942,800.80/12,340,869.84 = 5,222,271/x
  3. Step 3: Cross multiply
    8,942,800.80x = 12,340,869.84 × 5,222,271
  4. Step 4: Simplify right side
    8,942,800.80x = 64,447,366,680,206.64
  5. Step 5: Solve for x
    x = 64,447,366,680,206.64/8,942,800.80
  6. Step 6: Final answer
    x = 7,206,619.95

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1.5x scale

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.