Home / 7,476,003.40-11,214,005.10-6,147,400.90

Finding the Fourth Proportional to 7,476,003.40, 11,214,005.10 and 6,147,400.90

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Solution

The fourth proportional to 7,476,003.40, 11,214,005.10 and 6,147,400.90 is: 9,221,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476,003.40 : 11,214,005.10 = 6,147,400.90 : x
  2. Step 2: Convert to fraction form
    7,476,003.40/11,214,005.10 = 6,147,400.90/x
  3. Step 3: Cross multiply
    7,476,003.40x = 11,214,005.10 × 6,147,400.90
  4. Step 4: Simplify right side
    7,476,003.40x = 68,936,985,044,344.59
  5. Step 5: Solve for x
    x = 68,936,985,044,344.59/7,476,003.40
  6. Step 6: Final answer
    x = 9,221,101.35

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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.