Home / 10,206,384.40-15,274,147.20-9,356,078.80

Finding the Fourth Proportional to 10,206,384.40, 15,274,147.20 and 9,356,078.80

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Solution

The fourth proportional to 10,206,384.40, 15,274,147.20 and 9,356,078.80 is: 14,001,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,384.40 : 15,274,147.20 = 9,356,078.80 : x
  2. Step 2: Convert to fraction form
    10,206,384.40/15,274,147.20 = 9,356,078.80/x
  3. Step 3: Cross multiply
    10,206,384.40x = 15,274,147.20 × 9,356,078.80
  4. Step 4: Simplify right side
    10,206,384.40x = 142,906,124,805,999.38
  5. Step 5: Solve for x
    x = 142,906,124,805,999.38/10,206,384.40
  6. Step 6: Final answer
    x = 14,001,640.46

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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.