Home / 15,029,610.70-20,740,902.42-8,154,092.74

Finding the Fourth Proportional to 15,029,610.70, 20,740,902.42 and 8,154,092.74

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Solution

The fourth proportional to 15,029,610.70, 20,740,902.42 and 8,154,092.74 is: 11,252,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,610.70 : 20,740,902.42 = 8,154,092.74 : x
  2. Step 2: Convert to fraction form
    15,029,610.70/20,740,902.42 = 8,154,092.74/x
  3. Step 3: Cross multiply
    15,029,610.70x = 20,740,902.42 × 8,154,092.74
  4. Step 4: Simplify right side
    15,029,610.70x = 169,123,241,843,970.44
  5. Step 5: Solve for x
    x = 169,123,241,843,970.44/15,029,610.70
  6. Step 6: Final answer
    x = 11,252,669.49

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1.5x scale

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.