Home / 14,766,640.41-20,377,967.78-8,151,232.92

Finding the Fourth Proportional to 14,766,640.41, 20,377,967.78 and 8,151,232.92

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Solution

The fourth proportional to 14,766,640.41, 20,377,967.78 and 8,151,232.92 is: 11,248,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766,640.41 : 20,377,967.78 = 8,151,232.92 : x
  2. Step 2: Convert to fraction form
    14,766,640.41/20,377,967.78 = 8,151,232.92/x
  3. Step 3: Cross multiply
    14,766,640.41x = 20,377,967.78 × 8,151,232.92
  4. Step 4: Simplify right side
    14,766,640.41x = 166,105,561,754,996
  5. Step 5: Solve for x
    x = 166,105,561,754,996/14,766,640.41
  6. Step 6: Final answer
    x = 11,248,703.64

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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.