Home / 8,270,944.40-12,406,416.60-6,145,180.40

Finding the Fourth Proportional to 8,270,944.40, 12,406,416.60 and 6,145,180.40

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Solution

The fourth proportional to 8,270,944.40, 12,406,416.60 and 6,145,180.40 is: 9,217,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,944.40 : 12,406,416.60 = 6,145,180.40 : x
  2. Step 2: Convert to fraction form
    8,270,944.40/12,406,416.60 = 6,145,180.40/x
  3. Step 3: Cross multiply
    8,270,944.40x = 12,406,416.60 × 6,145,180.40
  4. Step 4: Simplify right side
    8,270,944.40x = 76,239,668,124,554.64
  5. Step 5: Solve for x
    x = 76,239,668,124,554.64/8,270,944.40
  6. Step 6: Final answer
    x = 9,217,770.60

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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.