Home / 14,939,548.36-20,616,623.28-8,661,299.38

Finding the Fourth Proportional to 14,939,548.36, 20,616,623.28 and 8,661,299.38

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Solution

The fourth proportional to 14,939,548.36, 20,616,623.28 and 8,661,299.38 is: 11,952,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,548.36 : 20,616,623.28 = 8,661,299.38 : x
  2. Step 2: Convert to fraction form
    14,939,548.36/20,616,623.28 = 8,661,299.38/x
  3. Step 3: Cross multiply
    14,939,548.36x = 20,616,623.28 × 8,661,299.38
  4. Step 4: Simplify right side
    14,939,548.36x = 178,566,746,432,757.59
  5. Step 5: Solve for x
    x = 178,566,746,432,757.59/14,939,548.36
  6. Step 6: Final answer
    x = 11,952,620.13

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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.