Home / 20,188,020.30-30,285,967.05-8,673,465.30

Finding the Fourth Proportional to 20,188,020.30, 30,285,967.05 and 8,673,465.30

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Solution

The fourth proportional to 20,188,020.30, 30,285,967.05 and 8,673,465.30 is: 13,011,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,020.30 : 30,285,967.05 = 8,673,465.30 : x
  2. Step 2: Convert to fraction form
    20,188,020.30/30,285,967.05 = 8,673,465.30/x
  3. Step 3: Cross multiply
    20,188,020.30x = 30,285,967.05 × 8,673,465.30
  4. Step 4: Simplify right side
    20,188,020.30x = 262,684,284,285,118.41
  5. Step 5: Solve for x
    x = 262,684,284,285,118.41/20,188,020.30
  6. Step 6: Final answer
    x = 13,011,889.25

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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.