Home / 22,085,215.98-30,479,218.49-15,806,332.83

Finding the Fourth Proportional to 22,085,215.98, 30,479,218.49 and 15,806,332.83

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Solution

The fourth proportional to 22,085,215.98, 30,479,218.49 and 15,806,332.83 is: 21,813,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085,215.98 : 30,479,218.49 = 15,806,332.83 : x
  2. Step 2: Convert to fraction form
    22,085,215.98/30,479,218.49 = 15,806,332.83/x
  3. Step 3: Cross multiply
    22,085,215.98x = 30,479,218.49 × 15,806,332.83
  4. Step 4: Simplify right side
    22,085,215.98x = 481,764,671,772,198.38
  5. Step 5: Solve for x
    x = 481,764,671,772,198.38/22,085,215.98
  6. Step 6: Final answer
    x = 21,813,899.04

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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.