Home / 47,521,264.32-71,311,883.40-20,227,512.96

Finding the Fourth Proportional to 47,521,264.32, 71,311,883.40 and 20,227,512.96

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Solution

The fourth proportional to 47,521,264.32, 71,311,883.40 and 20,227,512.96 is: 30,354,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,521,264.32 : 71,311,883.40 = 20,227,512.96 : x
  2. Step 2: Convert to fraction form
    47,521,264.32/71,311,883.40 = 20,227,512.96/x
  3. Step 3: Cross multiply
    47,521,264.32x = 71,311,883.40 × 20,227,512.96
  4. Step 4: Simplify right side
    47,521,264.32x = 1,442,462,045,675,509
  5. Step 5: Solve for x
    x = 1,442,462,045,675,509/47,521,264.32
  6. Step 6: Final answer
    x = 30,354,033.43

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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.