Home / 12,914,186.94-17,820,905.31-8,019,304.11

Finding the Fourth Proportional to 12,914,186.94, 17,820,905.31 and 8,019,304.11

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Solution

The fourth proportional to 12,914,186.94, 17,820,905.31 and 8,019,304.11 is: 11,066,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,186.94 : 17,820,905.31 = 8,019,304.11 : x
  2. Step 2: Convert to fraction form
    12,914,186.94/17,820,905.31 = 8,019,304.11/x
  3. Step 3: Cross multiply
    12,914,186.94x = 17,820,905.31 × 8,019,304.11
  4. Step 4: Simplify right side
    12,914,186.94x = 142,911,259,196,403.81
  5. Step 5: Solve for x
    x = 142,911,259,196,403.81/12,914,186.94
  6. Step 6: Final answer
    x = 11,066,221.97

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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.