Home / 13,293,391.14-18,344,880-7,181,819.64

Finding the Fourth Proportional to 13,293,391.14, 18,344,880 and 7,181,819.64

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Solution

The fourth proportional to 13,293,391.14, 18,344,880 and 7,181,819.64 is: 9,910,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,391.14 : 18,344,880 = 7,181,819.64 : x
  2. Step 2: Convert to fraction form
    13,293,391.14/18,344,880 = 7,181,819.64/x
  3. Step 3: Cross multiply
    13,293,391.14x = 18,344,880 × 7,181,819.64
  4. Step 4: Simplify right side
    13,293,391.14x = 131,749,619,477,443.19
  5. Step 5: Solve for x
    x = 131,749,619,477,443.19/13,293,391.14
  6. Step 6: Final answer
    x = 9,910,911.23

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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.