Home / 21,173,073.14-31,761,127.72-8,864,650.46

Finding the Fourth Proportional to 21,173,073.14, 31,761,127.72 and 8,864,650.46

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Solution

The fourth proportional to 21,173,073.14, 31,761,127.72 and 8,864,650.46 is: 13,297,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173,073.14 : 31,761,127.72 = 8,864,650.46 : x
  2. Step 2: Convert to fraction form
    21,173,073.14/31,761,127.72 = 8,864,650.46/x
  3. Step 3: Cross multiply
    21,173,073.14x = 31,761,127.72 × 8,864,650.46
  4. Step 4: Simplify right side
    21,173,073.14x = 281,551,295,543,700.44
  5. Step 5: Solve for x
    x = 281,551,295,543,700.44/21,173,073.14
  6. Step 6: Final answer
    x = 13,297,611.25

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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.