Home / 12,563,316.30-18,844,974.45-8,258,644.20

Finding the Fourth Proportional to 12,563,316.30, 18,844,974.45 and 8,258,644.20

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Solution

The fourth proportional to 12,563,316.30, 18,844,974.45 and 8,258,644.20 is: 12,387,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,316.30 : 18,844,974.45 = 8,258,644.20 : x
  2. Step 2: Convert to fraction form
    12,563,316.30/18,844,974.45 = 8,258,644.20/x
  3. Step 3: Cross multiply
    12,563,316.30x = 18,844,974.45 × 8,258,644.20
  4. Step 4: Simplify right side
    12,563,316.30x = 155,633,938,940,640.69
  5. Step 5: Solve for x
    x = 155,633,938,940,640.69/12,563,316.30
  6. Step 6: Final answer
    x = 12,387,966.30

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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.