Home / 20,817,606.72-28,728,304.23-11,398,993.41

Finding the Fourth Proportional to 20,817,606.72, 28,728,304.23 and 11,398,993.41

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Solution

The fourth proportional to 20,817,606.72, 28,728,304.23 and 11,398,993.41 is: 15,730,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817,606.72 : 28,728,304.23 = 11,398,993.41 : x
  2. Step 2: Convert to fraction form
    20,817,606.72/28,728,304.23 = 11,398,993.41/x
  3. Step 3: Cross multiply
    20,817,606.72x = 28,728,304.23 × 11,398,993.41
  4. Step 4: Simplify right side
    20,817,606.72x = 327,473,750,541,250.19
  5. Step 5: Solve for x
    x = 327,473,750,541,250.19/20,817,606.72
  6. Step 6: Final answer
    x = 15,730,614.71

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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.