Home / 20,257,464.88-30,391,031.25-6,610,636.58

Finding the Fourth Proportional to 20,257,464.88, 30,391,031.25 and 6,610,636.58

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Solution

The fourth proportional to 20,257,464.88, 30,391,031.25 and 6,610,636.58 is: 9,917,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,464.88 : 30,391,031.25 = 6,610,636.58 : x
  2. Step 2: Convert to fraction form
    20,257,464.88/30,391,031.25 = 6,610,636.58/x
  3. Step 3: Cross multiply
    20,257,464.88x = 30,391,031.25 × 6,610,636.58
  4. Step 4: Simplify right side
    20,257,464.88x = 200,904,062,885,173.12
  5. Step 5: Solve for x
    x = 200,904,062,885,173.12/20,257,464.88
  6. Step 6: Final answer
    x = 9,917,532.33

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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.