Home / 40,011,137.22-55,215,425.38-21,676,422.72

Finding the Fourth Proportional to 40,011,137.22, 55,215,425.38 and 21,676,422.72

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Solution

The fourth proportional to 40,011,137.22, 55,215,425.38 and 21,676,422.72 is: 29,913,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,137.22 : 55,215,425.38 = 21,676,422.72 : x
  2. Step 2: Convert to fraction form
    40,011,137.22/55,215,425.38 = 21,676,422.72/x
  3. Step 3: Cross multiply
    40,011,137.22x = 55,215,425.38 × 21,676,422.72
  4. Step 4: Simplify right side
    40,011,137.22x = 1,196,872,901,201,496.75
  5. Step 5: Solve for x
    x = 1,196,872,901,201,496.75/40,011,137.22
  6. Step 6: Final answer
    x = 29,913,493.70

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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.