Home / 18,394,833.81-25,385,443.71-10,555,781.51

Finding the Fourth Proportional to 18,394,833.81, 25,385,443.71 and 10,555,781.51

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Solution

The fourth proportional to 18,394,833.81, 25,385,443.71 and 10,555,781.51 is: 14,567,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,833.81 : 25,385,443.71 = 10,555,781.51 : x
  2. Step 2: Convert to fraction form
    18,394,833.81/25,385,443.71 = 10,555,781.51/x
  3. Step 3: Cross multiply
    18,394,833.81x = 25,385,443.71 × 10,555,781.51
  4. Step 4: Simplify right side
    18,394,833.81x = 267,963,197,337,163.81
  5. Step 5: Solve for x
    x = 267,963,197,337,163.81/18,394,833.81
  6. Step 6: Final answer
    x = 14,567,307.33

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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.