Home / 18,132,355.10-27,174,913.05-7,340,822.30

Finding the Fourth Proportional to 18,132,355.10, 27,174,913.05 and 7,340,822.30

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Solution

The fourth proportional to 18,132,355.10, 27,174,913.05 and 7,340,822.30 is: 11,001,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,355.10 : 27,174,913.05 = 7,340,822.30 : x
  2. Step 2: Convert to fraction form
    18,132,355.10/27,174,913.05 = 7,340,822.30/x
  3. Step 3: Cross multiply
    18,132,355.10x = 27,174,913.05 × 7,340,822.30
  4. Step 4: Simplify right side
    18,132,355.10x = 199,486,207,718,001
  5. Step 5: Solve for x
    x = 199,486,207,718,001/18,132,355.10
  6. Step 6: Final answer
    x = 11,001,671.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.