Home / 12,108,442.24-18,164,529.60-4,128,400

Finding the Fourth Proportional to 12,108,442.24, 18,164,529.60 and 4,128,400

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Solution

The fourth proportional to 12,108,442.24, 18,164,529.60 and 4,128,400 is: 6,193,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,442.24 : 18,164,529.60 = 4,128,400 : x
  2. Step 2: Convert to fraction form
    12,108,442.24/18,164,529.60 = 4,128,400/x
  3. Step 3: Cross multiply
    12,108,442.24x = 18,164,529.60 × 4,128,400
  4. Step 4: Simplify right side
    12,108,442.24x = 74,990,444,000,640
  5. Step 5: Solve for x
    x = 74,990,444,000,640/12,108,442.24
  6. Step 6: Final answer
    x = 6,193,236.30

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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.