Home / 27,068,920.30-40,603,380.45-20,691,628.30

Finding the Fourth Proportional to 27,068,920.30, 40,603,380.45 and 20,691,628.30

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Solution

The fourth proportional to 27,068,920.30, 40,603,380.45 and 20,691,628.30 is: 31,037,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068,920.30 : 40,603,380.45 = 20,691,628.30 : x
  2. Step 2: Convert to fraction form
    27,068,920.30/40,603,380.45 = 20,691,628.30/x
  3. Step 3: Cross multiply
    27,068,920.30x = 40,603,380.45 × 20,691,628.30
  4. Step 4: Simplify right side
    27,068,920.30x = 840,150,055,994,886.88
  5. Step 5: Solve for x
    x = 840,150,055,994,886.88/27,068,920.30
  6. Step 6: Final answer
    x = 31,037,442.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.