Home / 14,217,481.24-19,620,129.90-7,691,109.28

Finding the Fourth Proportional to 14,217,481.24, 19,620,129.90 and 7,691,109.28

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Solution

The fourth proportional to 14,217,481.24, 19,620,129.90 and 7,691,109.28 is: 10,613,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217,481.24 : 19,620,129.90 = 7,691,109.28 : x
  2. Step 2: Convert to fraction form
    14,217,481.24/19,620,129.90 = 7,691,109.28/x
  3. Step 3: Cross multiply
    14,217,481.24x = 19,620,129.90 × 7,691,109.28
  4. Step 4: Simplify right side
    14,217,481.24x = 150,900,563,148,695.47
  5. Step 5: Solve for x
    x = 150,900,563,148,695.47/14,217,481.24
  6. Step 6: Final answer
    x = 10,613,733.94

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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.