Home / 20,864,357.37-31,274,447.43-7,018,134.96

Finding the Fourth Proportional to 20,864,357.37, 31,274,447.43 and 7,018,134.96

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Solution

The fourth proportional to 20,864,357.37, 31,274,447.43 and 7,018,134.96 is: 10,519,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,357.37 : 31,274,447.43 = 7,018,134.96 : x
  2. Step 2: Convert to fraction form
    20,864,357.37/31,274,447.43 = 7,018,134.96/x
  3. Step 3: Cross multiply
    20,864,357.37x = 31,274,447.43 × 7,018,134.96
  4. Step 4: Simplify right side
    20,864,357.37x = 219,488,292,863,165.16
  5. Step 5: Solve for x
    x = 219,488,292,863,165.16/20,864,357.37
  6. Step 6: Final answer
    x = 10,519,772.50

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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.