Home / 13,292,937.60-18,344,578.22-7,412,514.36

Finding the Fourth Proportional to 13,292,937.60, 18,344,578.22 and 7,412,514.36

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Solution

The fourth proportional to 13,292,937.60, 18,344,578.22 and 7,412,514.36 is: 10,229,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,937.60 : 18,344,578.22 = 7,412,514.36 : x
  2. Step 2: Convert to fraction form
    13,292,937.60/18,344,578.22 = 7,412,514.36/x
  3. Step 3: Cross multiply
    13,292,937.60x = 18,344,578.22 × 7,412,514.36
  4. Step 4: Simplify right side
    13,292,937.60x = 135,979,449,483,893.23
  5. Step 5: Solve for x
    x = 135,979,449,483,893.23/13,292,937.60
  6. Step 6: Final answer
    x = 10,229,450.67

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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.