Home / 11,423,634.81-17,126,480.39-7,818,471.87

Finding the Fourth Proportional to 11,423,634.81, 17,126,480.39 and 7,818,471.87

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Solution

The fourth proportional to 11,423,634.81, 17,126,480.39 and 7,818,471.87 is: 11,721,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423,634.81 : 17,126,480.39 = 7,818,471.87 : x
  2. Step 2: Convert to fraction form
    11,423,634.81/17,126,480.39 = 7,818,471.87/x
  3. Step 3: Cross multiply
    11,423,634.81x = 17,126,480.39 × 7,818,471.87
  4. Step 4: Simplify right side
    11,423,634.81x = 133,902,905,122,229.28
  5. Step 5: Solve for x
    x = 133,902,905,122,229.28/11,423,634.81
  6. Step 6: Final answer
    x = 11,721,567.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.