Home / 10,972,690.29-15,142,654.32-6,078,367.80

Finding the Fourth Proportional to 10,972,690.29, 15,142,654.32 and 6,078,367.80

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Solution

The fourth proportional to 10,972,690.29, 15,142,654.32 and 6,078,367.80 is: 8,388,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,690.29 : 15,142,654.32 = 6,078,367.80 : x
  2. Step 2: Convert to fraction form
    10,972,690.29/15,142,654.32 = 6,078,367.80/x
  3. Step 3: Cross multiply
    10,972,690.29x = 15,142,654.32 × 6,078,367.80
  4. Step 4: Simplify right side
    10,972,690.29x = 92,042,622,425,218.89
  5. Step 5: Solve for x
    x = 92,042,622,425,218.89/10,972,690.29
  6. Step 6: Final answer
    x = 8,388,336.86

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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.