Home / 8,085,666.30-12,128,499.45-3,834,138.30

Finding the Fourth Proportional to 8,085,666.30, 12,128,499.45 and 3,834,138.30

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Solution

The fourth proportional to 8,085,666.30, 12,128,499.45 and 3,834,138.30 is: 5,751,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,666.30 : 12,128,499.45 = 3,834,138.30 : x
  2. Step 2: Convert to fraction form
    8,085,666.30/12,128,499.45 = 3,834,138.30/x
  3. Step 3: Cross multiply
    8,085,666.30x = 12,128,499.45 × 3,834,138.30
  4. Step 4: Simplify right side
    8,085,666.30x = 46,502,344,262,773.93
  5. Step 5: Solve for x
    x = 46,502,344,262,773.93/8,085,666.30
  6. Step 6: Final answer
    x = 5,751,207.45

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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.