Home / 18,436,400.70-27,630,981.45-16,405,115.10

Finding the Fourth Proportional to 18,436,400.70, 27,630,981.45 and 16,405,115.10

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Solution

The fourth proportional to 18,436,400.70, 27,630,981.45 and 16,405,115.10 is: 24,586,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,400.70 : 27,630,981.45 = 16,405,115.10 : x
  2. Step 2: Convert to fraction form
    18,436,400.70/27,630,981.45 = 16,405,115.10/x
  3. Step 3: Cross multiply
    18,436,400.70x = 27,630,981.45 × 16,405,115.10
  4. Step 4: Simplify right side
    18,436,400.70x = 453,289,431,013,214.88
  5. Step 5: Solve for x
    x = 453,289,431,013,214.88/18,436,400.70
  6. Step 6: Final answer
    x = 24,586,655.41

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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.