Home / 7,485,693.40-11,228,540.10-7,275,741.40

Finding the Fourth Proportional to 7,485,693.40, 11,228,540.10 and 7,275,741.40

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Solution

The fourth proportional to 7,485,693.40, 11,228,540.10 and 7,275,741.40 is: 10,913,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,693.40 : 11,228,540.10 = 7,275,741.40 : x
  2. Step 2: Convert to fraction form
    7,485,693.40/11,228,540.10 = 7,275,741.40/x
  3. Step 3: Cross multiply
    7,485,693.40x = 11,228,540.10 × 7,275,741.40
  4. Step 4: Simplify right side
    7,485,693.40x = 81,695,954,067,130.14
  5. Step 5: Solve for x
    x = 81,695,954,067,130.14/7,485,693.40
  6. Step 6: Final answer
    x = 10,913,612.10

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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.