Home / 10,727,620.81-16,091,431.02-3,154,586.56

Finding the Fourth Proportional to 10,727,620.81, 16,091,431.02 and 3,154,586.56

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Solution

The fourth proportional to 10,727,620.81, 16,091,431.02 and 3,154,586.56 is: 4,731,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727,620.81 : 16,091,431.02 = 3,154,586.56 : x
  2. Step 2: Convert to fraction form
    10,727,620.81/16,091,431.02 = 3,154,586.56/x
  3. Step 3: Cross multiply
    10,727,620.81x = 16,091,431.02 × 3,154,586.56
  4. Step 4: Simplify right side
    10,727,620.81x = 50,761,812,026,859.09
  5. Step 5: Solve for x
    x = 50,761,812,026,859.09/10,727,620.81
  6. Step 6: Final answer
    x = 4,731,879.78

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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.