Home / 12,003,033.89-18,005,324.51-4,220,993.52

Finding the Fourth Proportional to 12,003,033.89, 18,005,324.51 and 4,220,993.52

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Solution

The fourth proportional to 12,003,033.89, 18,005,324.51 and 4,220,993.52 is: 6,331,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,033.89 : 18,005,324.51 = 4,220,993.52 : x
  2. Step 2: Convert to fraction form
    12,003,033.89/18,005,324.51 = 4,220,993.52/x
  3. Step 3: Cross multiply
    12,003,033.89x = 18,005,324.51 × 4,220,993.52
  4. Step 4: Simplify right side
    12,003,033.89x = 76,000,358,076,930.92
  5. Step 5: Solve for x
    x = 76,000,358,076,930.92/12,003,033.89
  6. Step 6: Final answer
    x = 6,331,762.35

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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.