Home / 12,456,893.28-17,190,736.64-7,301,716.32

Finding the Fourth Proportional to 12,456,893.28, 17,190,736.64 and 7,301,716.32

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Solution

The fourth proportional to 12,456,893.28, 17,190,736.64 and 7,301,716.32 is: 10,076,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,893.28 : 17,190,736.64 = 7,301,716.32 : x
  2. Step 2: Convert to fraction form
    12,456,893.28/17,190,736.64 = 7,301,716.32/x
  3. Step 3: Cross multiply
    12,456,893.28x = 17,190,736.64 × 7,301,716.32
  4. Step 4: Simplify right side
    12,456,893.28x = 125,521,882,277,109.97
  5. Step 5: Solve for x
    x = 125,521,882,277,109.97/12,456,893.28
  6. Step 6: Final answer
    x = 10,076,499.77

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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.