Home / 18,437,105.20-27,632,038.20-16,405,819.60

Finding the Fourth Proportional to 18,437,105.20, 27,632,038.20 and 16,405,819.60

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Solution

The fourth proportional to 18,437,105.20, 27,632,038.20 and 16,405,819.60 is: 24,587,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437,105.20 : 27,632,038.20 = 16,405,819.60 : x
  2. Step 2: Convert to fraction form
    18,437,105.20/27,632,038.20 = 16,405,819.60/x
  3. Step 3: Cross multiply
    18,437,105.20x = 27,632,038.20 × 16,405,819.60
  4. Step 4: Simplify right side
    18,437,105.20x = 453,326,233,889,508.69
  5. Step 5: Solve for x
    x = 453,326,233,889,508.69/18,437,105.20
  6. Step 6: Final answer
    x = 24,587,712.06

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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.