Home / 12,003,034.08-18,005,324.79-4,220,993.72

Finding the Fourth Proportional to 12,003,034.08, 18,005,324.79 and 4,220,993.72

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Solution

The fourth proportional to 12,003,034.08, 18,005,324.79 and 4,220,993.72 is: 6,331,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,034.08 : 18,005,324.79 = 4,220,993.72 : x
  2. Step 2: Convert to fraction form
    12,003,034.08/18,005,324.79 = 4,220,993.72/x
  3. Step 3: Cross multiply
    12,003,034.08x = 18,005,324.79 × 4,220,993.72
  4. Step 4: Simplify right side
    12,003,034.08x = 76,000,362,775,123.69
  5. Step 5: Solve for x
    x = 76,000,362,775,123.69/12,003,034.08
  6. Step 6: Final answer
    x = 6,331,762.64

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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.