Home / 13,299,733.72-18,353,265.96-7,498,465.12

Finding the Fourth Proportional to 13,299,733.72, 18,353,265.96 and 7,498,465.12

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Solution

The fourth proportional to 13,299,733.72, 18,353,265.96 and 7,498,465.12 is: 10,347,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,733.72 : 18,353,265.96 = 7,498,465.12 : x
  2. Step 2: Convert to fraction form
    13,299,733.72/18,353,265.96 = 7,498,465.12/x
  3. Step 3: Cross multiply
    13,299,733.72x = 18,353,265.96 × 7,498,465.12
  4. Step 4: Simplify right side
    13,299,733.72x = 137,621,324,639,143.33
  5. Step 5: Solve for x
    x = 137,621,324,639,143.33/13,299,733.72
  6. Step 6: Final answer
    x = 10,347,675.19

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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.