Home / 7,214,640.52-9,956,213.51-3,906,940.45

Finding the Fourth Proportional to 7,214,640.52, 9,956,213.51 and 3,906,940.45

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Solution

The fourth proportional to 7,214,640.52, 9,956,213.51 and 3,906,940.45 is: 5,391,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214,640.52 : 9,956,213.51 = 3,906,940.45 : x
  2. Step 2: Convert to fraction form
    7,214,640.52/9,956,213.51 = 3,906,940.45/x
  3. Step 3: Cross multiply
    7,214,640.52x = 9,956,213.51 × 3,906,940.45
  4. Step 4: Simplify right side
    7,214,640.52x = 38,898,333,291,055.48
  5. Step 5: Solve for x
    x = 38,898,333,291,055.48/7,214,640.52
  6. Step 6: Final answer
    x = 5,391,583.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.