Home / 21,692,948.36-29,935,268.34-11,903,154.44

Finding the Fourth Proportional to 21,692,948.36, 29,935,268.34 and 11,903,154.44

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Solution

The fourth proportional to 21,692,948.36, 29,935,268.34 and 11,903,154.44 is: 16,425,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,948.36 : 29,935,268.34 = 11,903,154.44 : x
  2. Step 2: Convert to fraction form
    21,692,948.36/29,935,268.34 = 11,903,154.44/x
  3. Step 3: Cross multiply
    21,692,948.36x = 29,935,268.34 × 11,903,154.44
  4. Step 4: Simplify right side
    21,692,948.36x = 356,324,122,253,862.44
  5. Step 5: Solve for x
    x = 356,324,122,253,862.44/21,692,948.36
  6. Step 6: Final answer
    x = 16,425,804.20

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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.