Home / 20,864,495.26-31,274,654.05-7,018,272.64

Finding the Fourth Proportional to 20,864,495.26, 31,274,654.05 and 7,018,272.64

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Solution

The fourth proportional to 20,864,495.26, 31,274,654.05 and 7,018,272.64 is: 10,519,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,495.26 : 31,274,654.05 = 7,018,272.64 : x
  2. Step 2: Convert to fraction form
    20,864,495.26/31,274,654.05 = 7,018,272.64/x
  3. Step 3: Cross multiply
    20,864,495.26x = 31,274,654.05 × 7,018,272.64
  4. Step 4: Simplify right side
    20,864,495.26x = 219,494,048,844,580.19
  5. Step 5: Solve for x
    x = 219,494,048,844,580.19/20,864,495.26
  6. Step 6: Final answer
    x = 10,519,978.85

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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.