Home / 12,421,406.70-18,632,110.05-3,902,604.30

Finding the Fourth Proportional to 12,421,406.70, 18,632,110.05 and 3,902,604.30

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Solution

The fourth proportional to 12,421,406.70, 18,632,110.05 and 3,902,604.30 is: 5,853,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,406.70 : 18,632,110.05 = 3,902,604.30 : x
  2. Step 2: Convert to fraction form
    12,421,406.70/18,632,110.05 = 3,902,604.30/x
  3. Step 3: Cross multiply
    12,421,406.70x = 18,632,110.05 × 3,902,604.30
  4. Step 4: Simplify right side
    12,421,406.70x = 72,713,752,799,203.22
  5. Step 5: Solve for x
    x = 72,713,752,799,203.22/12,421,406.70
  6. Step 6: Final answer
    x = 5,853,906.45

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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.