Home / 18,190,628.44-25,103,008.44-9,930,792.82

Finding the Fourth Proportional to 18,190,628.44, 25,103,008.44 and 9,930,792.82

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Solution

The fourth proportional to 18,190,628.44, 25,103,008.44 and 9,930,792.82 is: 13,704,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,628.44 : 25,103,008.44 = 9,930,792.82 : x
  2. Step 2: Convert to fraction form
    18,190,628.44/25,103,008.44 = 9,930,792.82/x
  3. Step 3: Cross multiply
    18,190,628.44x = 25,103,008.44 × 9,930,792.82
  4. Step 4: Simplify right side
    18,190,628.44x = 249,292,775,976,351.41
  5. Step 5: Solve for x
    x = 249,292,775,976,351.41/18,190,628.44
  6. Step 6: Final answer
    x = 13,704,461.99

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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.