Home / 7,409,150.40-11,106,727.20-4,378,843.20

Finding the Fourth Proportional to 7,409,150.40, 11,106,727.20 and 4,378,843.20

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Solution

The fourth proportional to 7,409,150.40, 11,106,727.20 and 4,378,843.20 is: 6,564,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409,150.40 : 11,106,727.20 = 4,378,843.20 : x
  2. Step 2: Convert to fraction form
    7,409,150.40/11,106,727.20 = 4,378,843.20/x
  3. Step 3: Cross multiply
    7,409,150.40x = 11,106,727.20 × 4,378,843.20
  4. Step 4: Simplify right side
    7,409,150.40x = 48,634,616,873,975.04
  5. Step 5: Solve for x
    x = 48,634,616,873,975.04/7,409,150.40
  6. Step 6: Final answer
    x = 6,564,128.71

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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.