Home / 13,293,440.55-18,344,998.13-8,400,836.97

Finding the Fourth Proportional to 13,293,440.55, 18,344,998.13 and 8,400,836.97

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Solution

The fourth proportional to 13,293,440.55, 18,344,998.13 and 8,400,836.97 is: 11,593,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,440.55 : 18,344,998.13 = 8,400,836.97 : x
  2. Step 2: Convert to fraction form
    13,293,440.55/18,344,998.13 = 8,400,836.97/x
  3. Step 3: Cross multiply
    13,293,440.55x = 18,344,998.13 × 8,400,836.97
  4. Step 4: Simplify right side
    13,293,440.55x = 154,113,338,463,080.69
  5. Step 5: Solve for x
    x = 154,113,338,463,080.69/13,293,440.55
  6. Step 6: Final answer
    x = 11,593,186.72

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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.