Home / 12,421,051.61-18,632,321.66-3,901,388.07

Finding the Fourth Proportional to 12,421,051.61, 18,632,321.66 and 3,901,388.07

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Solution

The fourth proportional to 12,421,051.61, 18,632,321.66 and 3,901,388.07 is: 5,852,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,051.61 : 18,632,321.66 = 3,901,388.07 : x
  2. Step 2: Convert to fraction form
    12,421,051.61/18,632,321.66 = 3,901,388.07/x
  3. Step 3: Cross multiply
    12,421,051.61x = 18,632,321.66 × 3,901,388.07
  4. Step 4: Simplify right side
    12,421,051.61x = 72,691,917,421,219.66
  5. Step 5: Solve for x
    x = 72,691,917,421,219.66/12,421,051.61
  6. Step 6: Final answer
    x = 5,852,315.87

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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.