Home / 20,864,462.18-31,274,604.56-7,018,239.56

Finding the Fourth Proportional to 20,864,462.18, 31,274,604.56 and 7,018,239.56

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Solution

The fourth proportional to 20,864,462.18, 31,274,604.56 and 7,018,239.56 is: 10,519,929.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,462.18 : 31,274,604.56 = 7,018,239.56 : x
  2. Step 2: Convert to fraction form
    20,864,462.18/31,274,604.56 = 7,018,239.56/x
  3. Step 3: Cross multiply
    20,864,462.18x = 31,274,604.56 × 7,018,239.56
  4. Step 4: Simplify right side
    20,864,462.18x = 219,492,666,807,520.97
  5. Step 5: Solve for x
    x = 219,492,666,807,520.97/20,864,462.18
  6. Step 6: Final answer
    x = 10,519,929.29

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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.