Home / 21,754,766.31-30,022,434.09-11,966,121.31

Finding the Fourth Proportional to 21,754,766.31, 30,022,434.09 and 11,966,121.31

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Solution

The fourth proportional to 21,754,766.31, 30,022,434.09 and 11,966,121.31 is: 16,513,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754,766.31 : 30,022,434.09 = 11,966,121.31 : x
  2. Step 2: Convert to fraction form
    21,754,766.31/30,022,434.09 = 11,966,121.31/x
  3. Step 3: Cross multiply
    21,754,766.31x = 30,022,434.09 × 11,966,121.31
  4. Step 4: Simplify right side
    21,754,766.31x = 359,252,088,395,408.88
  5. Step 5: Solve for x
    x = 359,252,088,395,408.88/21,754,766.31
  6. Step 6: Final answer
    x = 16,513,718.57

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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.