Home / 12,231,989.20-18,362,150.70-6,563,285.20

Finding the Fourth Proportional to 12,231,989.20, 18,362,150.70 and 6,563,285.20

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Solution

The fourth proportional to 12,231,989.20, 18,362,150.70 and 6,563,285.20 is: 9,852,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,989.20 : 18,362,150.70 = 6,563,285.20 : x
  2. Step 2: Convert to fraction form
    12,231,989.20/18,362,150.70 = 6,563,285.20/x
  3. Step 3: Cross multiply
    12,231,989.20x = 18,362,150.70 × 6,563,285.20
  4. Step 4: Simplify right side
    12,231,989.20x = 120,516,031,929,479.64
  5. Step 5: Solve for x
    x = 120,516,031,929,479.64/12,231,989.20
  6. Step 6: Final answer
    x = 9,852,529.30

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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.