Home / 8,147,626.40-12,221,439.60-7,250,081.60

Finding the Fourth Proportional to 8,147,626.40, 12,221,439.60 and 7,250,081.60

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Solution

The fourth proportional to 8,147,626.40, 12,221,439.60 and 7,250,081.60 is: 10,875,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,626.40 : 12,221,439.60 = 7,250,081.60 : x
  2. Step 2: Convert to fraction form
    8,147,626.40/12,221,439.60 = 7,250,081.60/x
  3. Step 3: Cross multiply
    8,147,626.40x = 12,221,439.60 × 7,250,081.60
  4. Step 4: Simplify right side
    8,147,626.40x = 88,606,434,369,471.36
  5. Step 5: Solve for x
    x = 88,606,434,369,471.36/8,147,626.40
  6. Step 6: Final answer
    x = 10,875,122.40

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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.