Home / 18,436,399.20-27,630,979.20-16,405,113.60

Finding the Fourth Proportional to 18,436,399.20, 27,630,979.20 and 16,405,113.60

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Solution

The fourth proportional to 18,436,399.20, 27,630,979.20 and 16,405,113.60 is: 24,586,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,399.20 : 27,630,979.20 = 16,405,113.60 : x
  2. Step 2: Convert to fraction form
    18,436,399.20/27,630,979.20 = 16,405,113.60/x
  3. Step 3: Cross multiply
    18,436,399.20x = 27,630,979.20 × 16,405,113.60
  4. Step 4: Simplify right side
    18,436,399.20x = 453,289,352,655,237.12
  5. Step 5: Solve for x
    x = 453,289,352,655,237.12/18,436,399.20
  6. Step 6: Final answer
    x = 24,586,653.16

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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.