Home / 10,131,315.64-15,203,028.37-9,307,118.03

Finding the Fourth Proportional to 10,131,315.64, 15,203,028.37 and 9,307,118.03

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Solution

The fourth proportional to 10,131,315.64, 15,203,028.37 and 9,307,118.03 is: 13,966,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,315.64 : 15,203,028.37 = 9,307,118.03 : x
  2. Step 2: Convert to fraction form
    10,131,315.64/15,203,028.37 = 9,307,118.03/x
  3. Step 3: Cross multiply
    10,131,315.64x = 15,203,028.37 × 9,307,118.03
  4. Step 4: Simplify right side
    10,131,315.64x = 141,496,379,467,768.28
  5. Step 5: Solve for x
    x = 141,496,379,467,768.28/10,131,315.64
  6. Step 6: Final answer
    x = 13,966,239.38

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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.