Home / 33,399,990.78-50,084,195.13-12,939,295.74

Finding the Fourth Proportional to 33,399,990.78, 50,084,195.13 and 12,939,295.74

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Solution

The fourth proportional to 33,399,990.78, 50,084,195.13 and 12,939,295.74 is: 19,402,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399,990.78 : 50,084,195.13 = 12,939,295.74 : x
  2. Step 2: Convert to fraction form
    33,399,990.78/50,084,195.13 = 12,939,295.74/x
  3. Step 3: Cross multiply
    33,399,990.78x = 50,084,195.13 × 12,939,295.74
  4. Step 4: Simplify right side
    33,399,990.78x = 648,054,212,686,937.75
  5. Step 5: Solve for x
    x = 648,054,212,686,937.75/33,399,990.78
  6. Step 6: Final answer
    x = 19,402,826.10

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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.