Home / 21,061,216.49-29,063,921.22-11,768,862.92

Finding the Fourth Proportional to 21,061,216.49, 29,063,921.22 and 11,768,862.92

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Solution

The fourth proportional to 21,061,216.49, 29,063,921.22 and 11,768,862.92 is: 16,240,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,216.49 : 29,063,921.22 = 11,768,862.92 : x
  2. Step 2: Convert to fraction form
    21,061,216.49/29,063,921.22 = 11,768,862.92/x
  3. Step 3: Cross multiply
    21,061,216.49x = 29,063,921.22 × 11,768,862.92
  4. Step 4: Simplify right side
    21,061,216.49x = 342,049,304,610,539.50
  5. Step 5: Solve for x
    x = 342,049,304,610,539.50/21,061,216.49
  6. Step 6: Final answer
    x = 16,240,719.28

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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.