Home / 21,141,295.36-29,177,407.92-11,851,374.56

Finding the Fourth Proportional to 21,141,295.36, 29,177,407.92 and 11,851,374.56

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Solution

The fourth proportional to 21,141,295.36, 29,177,407.92 and 11,851,374.56 is: 16,356,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,295.36 : 29,177,407.92 = 11,851,374.56 : x
  2. Step 2: Convert to fraction form
    21,141,295.36/29,177,407.92 = 11,851,374.56/x
  3. Step 3: Cross multiply
    21,141,295.36x = 29,177,407.92 × 11,851,374.56
  4. Step 4: Simplify right side
    21,141,295.36x = 345,792,389,949,830.56
  5. Step 5: Solve for x
    x = 345,792,389,949,830.56/21,141,295.36
  6. Step 6: Final answer
    x = 16,356,253.68

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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.