Home / 12,922,662.64-17,833,274.44-7,121,444.38

Finding the Fourth Proportional to 12,922,662.64, 17,833,274.44 and 7,121,444.38

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Solution

The fourth proportional to 12,922,662.64, 17,833,274.44 and 7,121,444.38 is: 9,827,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,662.64 : 17,833,274.44 = 7,121,444.38 : x
  2. Step 2: Convert to fraction form
    12,922,662.64/17,833,274.44 = 7,121,444.38/x
  3. Step 3: Cross multiply
    12,922,662.64x = 17,833,274.44 × 7,121,444.38
  4. Step 4: Simplify right side
    12,922,662.64x = 126,998,672,027,964.62
  5. Step 5: Solve for x
    x = 126,998,672,027,964.62/12,922,662.64
  6. Step 6: Final answer
    x = 9,827,593.24

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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.