Home / 20,864,403.54-31,274,516.48-7,018,181

Finding the Fourth Proportional to 20,864,403.54, 31,274,516.48 and 7,018,181

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Solution

The fourth proportional to 20,864,403.54, 31,274,516.48 and 7,018,181 is: 10,519,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,403.54 : 31,274,516.48 = 7,018,181 : x
  2. Step 2: Convert to fraction form
    20,864,403.54/31,274,516.48 = 7,018,181/x
  3. Step 3: Cross multiply
    20,864,403.54x = 31,274,516.48 × 7,018,181
  4. Step 4: Simplify right side
    20,864,403.54x = 219,490,217,344,122.88
  5. Step 5: Solve for x
    x = 219,490,217,344,122.88/20,864,403.54
  6. Step 6: Final answer
    x = 10,519,841.46

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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.