Home / 18,875,684.20-28,175,726.64-16,197,221.56

Finding the Fourth Proportional to 18,875,684.20, 28,175,726.64 and 16,197,221.56

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Solution

The fourth proportional to 18,875,684.20, 28,175,726.64 and 16,197,221.56 is: 24,177,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,684.20 : 28,175,726.64 = 16,197,221.56 : x
  2. Step 2: Convert to fraction form
    18,875,684.20/28,175,726.64 = 16,197,221.56/x
  3. Step 3: Cross multiply
    18,875,684.20x = 28,175,726.64 × 16,197,221.56
  4. Step 4: Simplify right side
    18,875,684.20x = 456,368,487,002,074.38
  5. Step 5: Solve for x
    x = 456,368,487,002,074.38/18,875,684.20
  6. Step 6: Final answer
    x = 24,177,586.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.