Home / 18,832,131.21-28,236,040.32-8,056,461.45

Finding the Fourth Proportional to 18,832,131.21, 28,236,040.32 and 8,056,461.45

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Solution

The fourth proportional to 18,832,131.21, 28,236,040.32 and 8,056,461.45 is: 12,079,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,131.21 : 28,236,040.32 = 8,056,461.45 : x
  2. Step 2: Convert to fraction form
    18,832,131.21/28,236,040.32 = 8,056,461.45/x
  3. Step 3: Cross multiply
    18,832,131.21x = 28,236,040.32 × 8,056,461.45
  4. Step 4: Simplify right side
    18,832,131.21x = 227,482,570,338,725.66
  5. Step 5: Solve for x
    x = 227,482,570,338,725.66/18,832,131.21
  6. Step 6: Final answer
    x = 12,079,491.58

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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.