Home / 8,764,809.70-13,147,214.55-7,271,817.70

Finding the Fourth Proportional to 8,764,809.70, 13,147,214.55 and 7,271,817.70

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Solution

The fourth proportional to 8,764,809.70, 13,147,214.55 and 7,271,817.70 is: 10,907,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,809.70 : 13,147,214.55 = 7,271,817.70 : x
  2. Step 2: Convert to fraction form
    8,764,809.70/13,147,214.55 = 7,271,817.70/x
  3. Step 3: Cross multiply
    8,764,809.70x = 13,147,214.55 × 7,271,817.70
  4. Step 4: Simplify right side
    8,764,809.70x = 95,604,147,470,387.55
  5. Step 5: Solve for x
    x = 95,604,147,470,387.55/8,764,809.70
  6. Step 6: Final answer
    x = 10,907,726.55

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Double scale
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Similar ratio
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1.5x scale

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.