Home / 13,400,486.93-20,090,930.82-4,297,402.88

Finding the Fourth Proportional to 13,400,486.93, 20,090,930.82 and 4,297,402.88

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Solution

The fourth proportional to 13,400,486.93, 20,090,930.82 and 4,297,402.88 is: 6,442,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,486.93 : 20,090,930.82 = 4,297,402.88 : x
  2. Step 2: Convert to fraction form
    13,400,486.93/20,090,930.82 = 4,297,402.88/x
  3. Step 3: Cross multiply
    13,400,486.93x = 20,090,930.82 × 4,297,402.88
  4. Step 4: Simplify right side
    13,400,486.93x = 86,338,823,926,519.84
  5. Step 5: Solve for x
    x = 86,338,823,926,519.84/13,400,486.93
  6. Step 6: Final answer
    x = 6,442,961.69

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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.