Home / 12,457,147.44-17,190,865.08-7,024,640.88

Finding the Fourth Proportional to 12,457,147.44, 17,190,865.08 and 7,024,640.88

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Solution

The fourth proportional to 12,457,147.44, 17,190,865.08 and 7,024,640.88 is: 9,694,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,147.44 : 17,190,865.08 = 7,024,640.88 : x
  2. Step 2: Convert to fraction form
    12,457,147.44/17,190,865.08 = 7,024,640.88/x
  3. Step 3: Cross multiply
    12,457,147.44x = 17,190,865.08 × 7,024,640.88
  4. Step 4: Simplify right side
    12,457,147.44x = 120,759,653,603,532.45
  5. Step 5: Solve for x
    x = 120,759,653,603,532.45/12,457,147.44
  6. Step 6: Final answer
    x = 9,694,005.32

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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.