Home / 13,434,676.92-18,539,854.68-7,323,105.36

Finding the Fourth Proportional to 13,434,676.92, 18,539,854.68 and 7,323,105.36

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Solution

The fourth proportional to 13,434,676.92, 18,539,854.68 and 7,323,105.36 is: 10,105,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,676.92 : 18,539,854.68 = 7,323,105.36 : x
  2. Step 2: Convert to fraction form
    13,434,676.92/18,539,854.68 = 7,323,105.36/x
  3. Step 3: Cross multiply
    13,434,676.92x = 18,539,854.68 × 7,323,105.36
  4. Step 4: Simplify right side
    13,434,676.92x = 135,769,309,180,729.09
  5. Step 5: Solve for x
    x = 135,769,309,180,729.09/13,434,676.92
  6. Step 6: Final answer
    x = 10,105,885.69

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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.