Home / 8,091,142.80-12,138,486.48-3,042,453.30

Finding the Fourth Proportional to 8,091,142.80, 12,138,486.48 and 3,042,453.30

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Solution

The fourth proportional to 8,091,142.80, 12,138,486.48 and 3,042,453.30 is: 4,564,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,142.80 : 12,138,486.48 = 3,042,453.30 : x
  2. Step 2: Convert to fraction form
    8,091,142.80/12,138,486.48 = 3,042,453.30/x
  3. Step 3: Cross multiply
    8,091,142.80x = 12,138,486.48 × 3,042,453.30
  4. Step 4: Simplify right side
    8,091,142.80x = 36,930,778,248,081.38
  5. Step 5: Solve for x
    x = 36,930,778,248,081.38/8,091,142.80
  6. Step 6: Final answer
    x = 4,564,346.37

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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.