Home / 18,242,299.40-27,345,401.10-8,640,801.80

Finding the Fourth Proportional to 18,242,299.40, 27,345,401.10 and 8,640,801.80

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Solution

The fourth proportional to 18,242,299.40, 27,345,401.10 and 8,640,801.80 is: 12,952,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,299.40 : 27,345,401.10 = 8,640,801.80 : x
  2. Step 2: Convert to fraction form
    18,242,299.40/27,345,401.10 = 8,640,801.80/x
  3. Step 3: Cross multiply
    18,242,299.40x = 27,345,401.10 × 8,640,801.80
  4. Step 4: Simplify right side
    18,242,299.40x = 236,286,191,046,602
  5. Step 5: Solve for x
    x = 236,286,191,046,602/18,242,299.40
  6. Step 6: Final answer
    x = 12,952,653.93

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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.