Home / 21,141,238.61-29,177,329.55-11,851,317.78

Finding the Fourth Proportional to 21,141,238.61, 29,177,329.55 and 11,851,317.78

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Solution

The fourth proportional to 21,141,238.61, 29,177,329.55 and 11,851,317.78 is: 16,356,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,238.61 : 29,177,329.55 = 11,851,317.78 : x
  2. Step 2: Convert to fraction form
    21,141,238.61/29,177,329.55 = 11,851,317.78/x
  3. Step 3: Cross multiply
    21,141,238.61x = 29,177,329.55 × 11,851,317.78
  4. Step 4: Simplify right side
    21,141,238.61x = 345,789,804,409,577.81
  5. Step 5: Solve for x
    x = 345,789,804,409,577.81/21,141,238.61
  6. Step 6: Final answer
    x = 16,356,175.29

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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.