Home / 9,515,757.40-13,131,580.38-5,164,750.32

Finding the Fourth Proportional to 9,515,757.40, 13,131,580.38 and 5,164,750.32

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Solution

The fourth proportional to 9,515,757.40, 13,131,580.38 and 5,164,750.32 is: 7,127,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,757.40 : 13,131,580.38 = 5,164,750.32 : x
  2. Step 2: Convert to fraction form
    9,515,757.40/13,131,580.38 = 5,164,750.32/x
  3. Step 3: Cross multiply
    9,515,757.40x = 13,131,580.38 × 5,164,750.32
  4. Step 4: Simplify right side
    9,515,757.40x = 67,821,333,969,710.73
  5. Step 5: Solve for x
    x = 67,821,333,969,710.73/9,515,757.40
  6. Step 6: Final answer
    x = 7,127,265.98

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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.