Home / 10,131,316.39-15,203,029.49-9,307,118.78

Finding the Fourth Proportional to 10,131,316.39, 15,203,029.49 and 9,307,118.78

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Solution

The fourth proportional to 10,131,316.39, 15,203,029.49 and 9,307,118.78 is: 13,966,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,316.39 : 15,203,029.49 = 9,307,118.78 : x
  2. Step 2: Convert to fraction form
    10,131,316.39/15,203,029.49 = 9,307,118.78/x
  3. Step 3: Cross multiply
    10,131,316.39x = 15,203,029.49 × 9,307,118.78
  4. Step 4: Simplify right side
    10,131,316.39x = 141,496,401,340,548.19
  5. Step 5: Solve for x
    x = 141,496,401,340,548.19/10,131,316.39
  6. Step 6: Final answer
    x = 13,966,240.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.