Home / 9,515,615-13,131,563.13-5,164,702.90

Finding the Fourth Proportional to 9,515,615, 13,131,563.13 and 5,164,702.90

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Solution

The fourth proportional to 9,515,615, 13,131,563.13 and 5,164,702.90 is: 7,127,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,615 : 13,131,563.13 = 5,164,702.90 : x
  2. Step 2: Convert to fraction form
    9,515,615/13,131,563.13 = 5,164,702.90/x
  3. Step 3: Cross multiply
    9,515,615x = 13,131,563.13 × 5,164,702.90
  4. Step 4: Simplify right side
    9,515,615x = 67,820,622,113,386.26
  5. Step 5: Solve for x
    x = 67,820,622,113,386.26/9,515,615
  6. Step 6: Final answer
    x = 7,127,297.83

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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.