Home / 12,003,029.68-18,005,318.17-4,220,989.30

Finding the Fourth Proportional to 12,003,029.68, 18,005,318.17 and 4,220,989.30

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Solution

The fourth proportional to 12,003,029.68, 18,005,318.17 and 4,220,989.30 is: 6,331,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,029.68 : 18,005,318.17 = 4,220,989.30 : x
  2. Step 2: Convert to fraction form
    12,003,029.68/18,005,318.17 = 4,220,989.30/x
  3. Step 3: Cross multiply
    12,003,029.68x = 18,005,318.17 × 4,220,989.30
  4. Step 4: Simplify right side
    12,003,029.68x = 76,000,255,395,318.98
  5. Step 5: Solve for x
    x = 76,000,255,395,318.98/12,003,029.68
  6. Step 6: Final answer
    x = 6,331,756.02

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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.