Home / 19,792,820.67-29,679,913.97-7,667,961.45

Finding the Fourth Proportional to 19,792,820.67, 29,679,913.97 and 7,667,961.45

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Solution

The fourth proportional to 19,792,820.67, 29,679,913.97 and 7,667,961.45 is: 11,498,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792,820.67 : 29,679,913.97 = 7,667,961.45 : x
  2. Step 2: Convert to fraction form
    19,792,820.67/29,679,913.97 = 7,667,961.45/x
  3. Step 3: Cross multiply
    19,792,820.67x = 29,679,913.97 × 7,667,961.45
  4. Step 4: Simplify right side
    19,792,820.67x = 227,584,436,161,276.44
  5. Step 5: Solve for x
    x = 227,584,436,161,276.44/19,792,820.67
  6. Step 6: Final answer
    x = 11,498,332.65

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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.