Home / 9,660,421.22-13,331,410.40-5,309,953.34

Finding the Fourth Proportional to 9,660,421.22, 13,331,410.40 and 5,309,953.34

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Solution

The fourth proportional to 9,660,421.22, 13,331,410.40 and 5,309,953.34 is: 7,327,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,421.22 : 13,331,410.40 = 5,309,953.34 : x
  2. Step 2: Convert to fraction form
    9,660,421.22/13,331,410.40 = 5,309,953.34/x
  3. Step 3: Cross multiply
    9,660,421.22x = 13,331,410.40 × 5,309,953.34
  4. Step 4: Simplify right side
    9,660,421.22x = 70,789,167,180,390.73
  5. Step 5: Solve for x
    x = 70,789,167,180,390.73/9,660,421.22
  6. Step 6: Final answer
    x = 7,327,751.61

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.