Home / 21,620,309.20-29,836,026.24-11,830,753.02

Finding the Fourth Proportional to 21,620,309.20, 29,836,026.24 and 11,830,753.02

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Solution

The fourth proportional to 21,620,309.20, 29,836,026.24 and 11,830,753.02 is: 16,326,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620,309.20 : 29,836,026.24 = 11,830,753.02 : x
  2. Step 2: Convert to fraction form
    21,620,309.20/29,836,026.24 = 11,830,753.02/x
  3. Step 3: Cross multiply
    21,620,309.20x = 29,836,026.24 × 11,830,753.02
  4. Step 4: Simplify right side
    21,620,309.20x = 352,982,657,543,679.19
  5. Step 5: Solve for x
    x = 352,982,657,543,679.19/21,620,309.20
  6. Step 6: Final answer
    x = 16,326,438.92

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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.