Home / 13,292,083.76-18,343,383.52-7,491,044.38

Finding the Fourth Proportional to 13,292,083.76, 18,343,383.52 and 7,491,044.38

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Solution

The fourth proportional to 13,292,083.76, 18,343,383.52 and 7,491,044.38 is: 10,337,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,083.76 : 18,343,383.52 = 7,491,044.38 : x
  2. Step 2: Convert to fraction form
    13,292,083.76/18,343,383.52 = 7,491,044.38/x
  3. Step 3: Cross multiply
    13,292,083.76x = 18,343,383.52 × 7,491,044.38
  4. Step 4: Simplify right side
    13,292,083.76x = 137,411,100,027,680.61
  5. Step 5: Solve for x
    x = 137,411,100,027,680.61/13,292,083.76
  6. Step 6: Final answer
    x = 10,337,814.79

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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.