Home / 7,474,069.20-11,211,103.80-6,812,720.40

Finding the Fourth Proportional to 7,474,069.20, 11,211,103.80 and 6,812,720.40

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Solution

The fourth proportional to 7,474,069.20, 11,211,103.80 and 6,812,720.40 is: 10,219,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,069.20 : 11,211,103.80 = 6,812,720.40 : x
  2. Step 2: Convert to fraction form
    7,474,069.20/11,211,103.80 = 6,812,720.40/x
  3. Step 3: Cross multiply
    7,474,069.20x = 11,211,103.80 × 6,812,720.40
  4. Step 4: Simplify right side
    7,474,069.20x = 76,378,115,564,777.53
  5. Step 5: Solve for x
    x = 76,378,115,564,777.53/7,474,069.20
  6. Step 6: Final answer
    x = 10,219,080.60

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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.