Home / 18,780,458.24-28,181,154.24-10,144,384.64

Finding the Fourth Proportional to 18,780,458.24, 28,181,154.24 and 10,144,384.64

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Solution

The fourth proportional to 18,780,458.24, 28,181,154.24 and 10,144,384.64 is: 15,222,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780,458.24 : 28,181,154.24 = 10,144,384.64 : x
  2. Step 2: Convert to fraction form
    18,780,458.24/28,181,154.24 = 10,144,384.64/x
  3. Step 3: Cross multiply
    18,780,458.24x = 28,181,154.24 × 10,144,384.64
  4. Step 4: Simplify right side
    18,780,458.24x = 285,880,468,209,726.88
  5. Step 5: Solve for x
    x = 285,880,468,209,726.88/18,780,458.24
  6. Step 6: Final answer
    x = 15,222,230.71

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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.