Home / 19,659,792.78-29,489,663.79-5,282,860.76

Finding the Fourth Proportional to 19,659,792.78, 29,489,663.79 and 5,282,860.76

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Solution

The fourth proportional to 19,659,792.78, 29,489,663.79 and 5,282,860.76 is: 7,924,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,792.78 : 29,489,663.79 = 5,282,860.76 : x
  2. Step 2: Convert to fraction form
    19,659,792.78/29,489,663.79 = 5,282,860.76/x
  3. Step 3: Cross multiply
    19,659,792.78x = 29,489,663.79 × 5,282,860.76
  4. Step 4: Simplify right side
    19,659,792.78x = 155,789,787,514,335.56
  5. Step 5: Solve for x
    x = 155,789,787,514,335.56/19,659,792.78
  6. Step 6: Final answer
    x = 7,924,284.31

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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.