Home / 11,591,991.40-17,387,987.10-7,336,964.20

Finding the Fourth Proportional to 11,591,991.40, 17,387,987.10 and 7,336,964.20

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Solution

The fourth proportional to 11,591,991.40, 17,387,987.10 and 7,336,964.20 is: 11,005,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,991.40 : 17,387,987.10 = 7,336,964.20 : x
  2. Step 2: Convert to fraction form
    11,591,991.40/17,387,987.10 = 7,336,964.20/x
  3. Step 3: Cross multiply
    11,591,991.40x = 17,387,987.10 × 7,336,964.20
  4. Step 4: Simplify right side
    11,591,991.40x = 127,575,038,862,761.83
  5. Step 5: Solve for x
    x = 127,575,038,862,761.83/11,591,991.40
  6. Step 6: Final answer
    x = 11,005,446.30

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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.