Home / 40,542,208.64-55,948,230.08-21,957,349.76

Finding the Fourth Proportional to 40,542,208.64, 55,948,230.08 and 21,957,349.76

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Solution

The fourth proportional to 40,542,208.64, 55,948,230.08 and 21,957,349.76 is: 30,301,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542,208.64 : 55,948,230.08 = 21,957,349.76 : x
  2. Step 2: Convert to fraction form
    40,542,208.64/55,948,230.08 = 21,957,349.76/x
  3. Step 3: Cross multiply
    40,542,208.64x = 55,948,230.08 × 21,957,349.76
  4. Step 4: Simplify right side
    40,542,208.64x = 1,228,474,856,319,512.75
  5. Step 5: Solve for x
    x = 1,228,474,856,319,512.75/40,542,208.64
  6. Step 6: Final answer
    x = 30,301,133.01

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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.