Home / 40,026,695.55-55,236,813.56-21,691,981.11

Finding the Fourth Proportional to 40,026,695.55, 55,236,813.56 and 21,691,981.11

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Solution

The fourth proportional to 40,026,695.55, 55,236,813.56 and 21,691,981.11 is: 29,934,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026,695.55 : 55,236,813.56 = 21,691,981.11 : x
  2. Step 2: Convert to fraction form
    40,026,695.55/55,236,813.56 = 21,691,981.11/x
  3. Step 3: Cross multiply
    40,026,695.55x = 55,236,813.56 × 21,691,981.11
  4. Step 4: Simplify right side
    40,026,695.55x = 1,198,195,916,211,652
  5. Step 5: Solve for x
    x = 1,198,195,916,211,652/40,026,695.55
  6. Step 6: Final answer
    x = 29,934,919.68

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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.