Home / 8,910,573-12,295,186.12-5,190,016.30

Finding the Fourth Proportional to 8,910,573, 12,295,186.12 and 5,190,016.30

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Solution

The fourth proportional to 8,910,573, 12,295,186.12 and 5,190,016.30 is: 7,161,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,573 : 12,295,186.12 = 5,190,016.30 : x
  2. Step 2: Convert to fraction form
    8,910,573/12,295,186.12 = 5,190,016.30/x
  3. Step 3: Cross multiply
    8,910,573x = 12,295,186.12 × 5,190,016.30
  4. Step 4: Simplify right side
    8,910,573x = 63,812,216,374,333.75
  5. Step 5: Solve for x
    x = 63,812,216,374,333.75/8,910,573
  6. Step 6: Final answer
    x = 7,161,404.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.