Home / 9,515,369.34-13,131,222-5,164,455.15

Finding the Fourth Proportional to 9,515,369.34, 13,131,222 and 5,164,455.15

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Solution

The fourth proportional to 9,515,369.34, 13,131,222 and 5,164,455.15 is: 7,126,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,369.34 : 13,131,222 = 5,164,455.15 : x
  2. Step 2: Convert to fraction form
    9,515,369.34/13,131,222 = 5,164,455.15/x
  3. Step 3: Cross multiply
    9,515,369.34x = 13,131,222 × 5,164,455.15
  4. Step 4: Simplify right side
    9,515,369.34x = 67,815,607,083,693.30
  5. Step 5: Solve for x
    x = 67,815,607,083,693.30/9,515,369.34
  6. Step 6: Final answer
    x = 7,126,954.79

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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.