Home / 10,656,724.56-15,980,879.16-4,265,785.68

Finding the Fourth Proportional to 10,656,724.56, 15,980,879.16 and 4,265,785.68

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Solution

The fourth proportional to 10,656,724.56, 15,980,879.16 and 4,265,785.68 is: 6,396,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,724.56 : 15,980,879.16 = 4,265,785.68 : x
  2. Step 2: Convert to fraction form
    10,656,724.56/15,980,879.16 = 4,265,785.68/x
  3. Step 3: Cross multiply
    10,656,724.56x = 15,980,879.16 × 4,265,785.68
  4. Step 4: Simplify right side
    10,656,724.56x = 68,171,005,474,538.42
  5. Step 5: Solve for x
    x = 68,171,005,474,538.42/10,656,724.56
  6. Step 6: Final answer
    x = 6,396,994.23

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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.