Home / 10,482,786.92-15,724,268.40-2,910,343.16

Finding the Fourth Proportional to 10,482,786.92, 15,724,268.40 and 2,910,343.16

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Solution

The fourth proportional to 10,482,786.92, 15,724,268.40 and 2,910,343.16 is: 4,365,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482,786.92 : 15,724,268.40 = 2,910,343.16 : x
  2. Step 2: Convert to fraction form
    10,482,786.92/15,724,268.40 = 2,910,343.16/x
  3. Step 3: Cross multiply
    10,482,786.92x = 15,724,268.40 × 2,910,343.16
  4. Step 4: Simplify right side
    10,482,786.92x = 45,763,016,983,944.15
  5. Step 5: Solve for x
    x = 45,763,016,983,944.15/10,482,786.92
  6. Step 6: Final answer
    x = 4,365,539.18

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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.