Home / 18,461,351.10-25,476,291.27-11,220,339.90

Finding the Fourth Proportional to 18,461,351.10, 25,476,291.27 and 11,220,339.90

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Solution

The fourth proportional to 18,461,351.10, 25,476,291.27 and 11,220,339.90 is: 15,483,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,351.10 : 25,476,291.27 = 11,220,339.90 : x
  2. Step 2: Convert to fraction form
    18,461,351.10/25,476,291.27 = 11,220,339.90/x
  3. Step 3: Cross multiply
    18,461,351.10x = 25,476,291.27 × 11,220,339.90
  4. Step 4: Simplify right side
    18,461,351.10x = 285,852,647,440,802.69
  5. Step 5: Solve for x
    x = 285,852,647,440,802.69/18,461,351.10
  6. Step 6: Final answer
    x = 15,483,842.21

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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.