Home / 12,504,902.79-17,256,765.84-6,781,766.79

Finding the Fourth Proportional to 12,504,902.79, 17,256,765.84 and 6,781,766.79

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Solution

The fourth proportional to 12,504,902.79, 17,256,765.84 and 6,781,766.79 is: 9,358,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,902.79 : 17,256,765.84 = 6,781,766.79 : x
  2. Step 2: Convert to fraction form
    12,504,902.79/17,256,765.84 = 6,781,766.79/x
  3. Step 3: Cross multiply
    12,504,902.79x = 17,256,765.84 × 6,781,766.79
  4. Step 4: Simplify right side
    12,504,902.79x = 117,031,361,415,666.25
  5. Step 5: Solve for x
    x = 117,031,361,415,666.25/12,504,902.79
  6. Step 6: Final answer
    x = 9,358,838.16

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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.