Home / 40,006,716.76-55,209,438.30-21,672,002.26

Finding the Fourth Proportional to 40,006,716.76, 55,209,438.30 and 21,672,002.26

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Solution

The fourth proportional to 40,006,716.76, 55,209,438.30 and 21,672,002.26 is: 29,907,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006,716.76 : 55,209,438.30 = 21,672,002.26 : x
  2. Step 2: Convert to fraction form
    40,006,716.76/55,209,438.30 = 21,672,002.26/x
  3. Step 3: Cross multiply
    40,006,716.76x = 55,209,438.30 × 21,672,002.26
  4. Step 4: Simplify right side
    40,006,716.76x = 1,196,499,071,610,930.50
  5. Step 5: Solve for x
    x = 1,196,499,071,610,930.50/40,006,716.76
  6. Step 6: Final answer
    x = 29,907,454.76

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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.