Home / 12,698,083.24-17,520,353-7,471,319.56

Finding the Fourth Proportional to 12,698,083.24, 17,520,353 and 7,471,319.56

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Solution

The fourth proportional to 12,698,083.24, 17,520,353 and 7,471,319.56 is: 10,308,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,083.24 : 17,520,353 = 7,471,319.56 : x
  2. Step 2: Convert to fraction form
    12,698,083.24/17,520,353 = 7,471,319.56/x
  3. Step 3: Cross multiply
    12,698,083.24x = 17,520,353 × 7,471,319.56
  4. Step 4: Simplify right side
    12,698,083.24x = 130,900,156,067,004.67
  5. Step 5: Solve for x
    x = 130,900,156,067,004.67/12,698,083.24
  6. Step 6: Final answer
    x = 10,308,654.75

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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.