Home / 12,108,443.24-18,164,531.10-4,128,401

Finding the Fourth Proportional to 12,108,443.24, 18,164,531.10 and 4,128,401

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Solution

The fourth proportional to 12,108,443.24, 18,164,531.10 and 4,128,401 is: 6,193,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,443.24 : 18,164,531.10 = 4,128,401 : x
  2. Step 2: Convert to fraction form
    12,108,443.24/18,164,531.10 = 4,128,401/x
  3. Step 3: Cross multiply
    12,108,443.24x = 18,164,531.10 × 4,128,401
  4. Step 4: Simplify right side
    12,108,443.24x = 74,990,468,357,771.11
  5. Step 5: Solve for x
    x = 74,990,468,357,771.11/12,108,443.24
  6. Step 6: Final answer
    x = 6,193,237.80

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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.