Home / 21,620,499.61-29,836,288.30-11,830,944.96

Finding the Fourth Proportional to 21,620,499.61, 29,836,288.30 and 11,830,944.96

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Solution

The fourth proportional to 21,620,499.61, 29,836,288.30 and 11,830,944.96 is: 16,326,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620,499.61 : 29,836,288.30 = 11,830,944.96 : x
  2. Step 2: Convert to fraction form
    21,620,499.61/29,836,288.30 = 11,830,944.96/x
  3. Step 3: Cross multiply
    21,620,499.61x = 29,836,288.30 × 11,830,944.96
  4. Step 4: Simplify right side
    21,620,499.61x = 352,991,484,687,992
  5. Step 5: Solve for x
    x = 352,991,484,687,992/21,620,499.61
  6. Step 6: Final answer
    x = 16,326,703.41

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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.