Home / 21,142,880.93-29,177,977.71-11,850,622.75

Finding the Fourth Proportional to 21,142,880.93, 29,177,977.71 and 11,850,622.75

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Solution

The fourth proportional to 21,142,880.93, 29,177,977.71 and 11,850,622.75 is: 16,354,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,142,880.93 : 29,177,977.71 = 11,850,622.75 : x
  2. Step 2: Convert to fraction form
    21,142,880.93/29,177,977.71 = 11,850,622.75/x
  3. Step 3: Cross multiply
    21,142,880.93x = 29,177,977.71 × 11,850,622.75
  4. Step 4: Simplify right side
    21,142,880.93x = 345,777,206,356,972.56
  5. Step 5: Solve for x
    x = 345,777,206,356,972.56/21,142,880.93
  6. Step 6: Final answer
    x = 16,354,308.92

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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.