Home / 12,227,119.40-18,340,095.90-4,139,301.80

Finding the Fourth Proportional to 12,227,119.40, 18,340,095.90 and 4,139,301.80

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Solution

The fourth proportional to 12,227,119.40, 18,340,095.90 and 4,139,301.80 is: 6,208,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227,119.40 : 18,340,095.90 = 4,139,301.80 : x
  2. Step 2: Convert to fraction form
    12,227,119.40/18,340,095.90 = 4,139,301.80/x
  3. Step 3: Cross multiply
    12,227,119.40x = 18,340,095.90 × 4,139,301.80
  4. Step 4: Simplify right side
    12,227,119.40x = 75,915,191,971,042.61
  5. Step 5: Solve for x
    x = 75,915,191,971,042.61/12,227,119.40
  6. Step 6: Final answer
    x = 6,208,755.27

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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.