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Finding the Fourth Proportional to 18,865,881.81, 26,034,244.61 and 10,493,207.37

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Solution

The fourth proportional to 18,865,881.81, 26,034,244.61 and 10,493,207.37 is: 14,480,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,881.81 : 26,034,244.61 = 10,493,207.37 : x
  2. Step 2: Convert to fraction form
    18,865,881.81/26,034,244.61 = 10,493,207.37/x
  3. Step 3: Cross multiply
    18,865,881.81x = 26,034,244.61 × 10,493,207.37
  4. Step 4: Simplify right side
    18,865,881.81x = 273,182,727,361,568.72
  5. Step 5: Solve for x
    x = 273,182,727,361,568.72/18,865,881.81
  6. Step 6: Final answer
    x = 14,480,252.24

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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.