Home / 12,456,693.72-17,190,213.46-6,949,740.88

Finding the Fourth Proportional to 12,456,693.72, 17,190,213.46 and 6,949,740.88

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Solution

The fourth proportional to 12,456,693.72, 17,190,213.46 and 6,949,740.88 is: 9,590,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,693.72 : 17,190,213.46 = 6,949,740.88 : x
  2. Step 2: Convert to fraction form
    12,456,693.72/17,190,213.46 = 6,949,740.88/x
  3. Step 3: Cross multiply
    12,456,693.72x = 17,190,213.46 × 6,949,740.88
  4. Step 4: Simplify right side
    12,456,693.72x = 119,467,529,218,888.25
  5. Step 5: Solve for x
    x = 119,467,529,218,888.25/12,456,693.72
  6. Step 6: Final answer
    x = 9,590,629.10

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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.