Home / 28,222,797.84-38,964,156.76-17,777,767.85

Finding the Fourth Proportional to 28,222,797.84, 38,964,156.76 and 17,777,767.85

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Solution

The fourth proportional to 28,222,797.84, 38,964,156.76 and 17,777,767.85 is: 24,543,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222,797.84 : 38,964,156.76 = 17,777,767.85 : x
  2. Step 2: Convert to fraction form
    28,222,797.84/38,964,156.76 = 17,777,767.85/x
  3. Step 3: Cross multiply
    28,222,797.84x = 38,964,156.76 × 17,777,767.85
  4. Step 4: Simplify right side
    28,222,797.84x = 692,695,733,350,288.12
  5. Step 5: Solve for x
    x = 692,695,733,350,288.12/28,222,797.84
  6. Step 6: Final answer
    x = 24,543,836.41

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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.