Home / 8,196,902.70-12,295,354.05-7,960,706.70

Finding the Fourth Proportional to 8,196,902.70, 12,295,354.05 and 7,960,706.70

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Solution

The fourth proportional to 8,196,902.70, 12,295,354.05 and 7,960,706.70 is: 11,941,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,902.70 : 12,295,354.05 = 7,960,706.70 : x
  2. Step 2: Convert to fraction form
    8,196,902.70/12,295,354.05 = 7,960,706.70/x
  3. Step 3: Cross multiply
    8,196,902.70x = 12,295,354.05 × 7,960,706.70
  4. Step 4: Simplify right side
    8,196,902.70x = 97,879,707,364,707.14
  5. Step 5: Solve for x
    x = 97,879,707,364,707.14/8,196,902.70
  6. Step 6: Final answer
    x = 11,941,060.05

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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.