Home / 15,196,972.41-20,971,826.44-8,227,648.58

Finding the Fourth Proportional to 15,196,972.41, 20,971,826.44 and 8,227,648.58

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Solution

The fourth proportional to 15,196,972.41, 20,971,826.44 and 8,227,648.58 is: 11,354,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,972.41 : 20,971,826.44 = 8,227,648.58 : x
  2. Step 2: Convert to fraction form
    15,196,972.41/20,971,826.44 = 8,227,648.58/x
  3. Step 3: Cross multiply
    15,196,972.41x = 20,971,826.44 × 8,227,648.58
  4. Step 4: Simplify right side
    15,196,972.41x = 172,548,817,903,644.22
  5. Step 5: Solve for x
    x = 172,548,817,903,644.22/15,196,972.41
  6. Step 6: Final answer
    x = 11,354,157.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.