Home / 8,040,190.40-11,286,126.40-8,040,190.40

Finding the Fourth Proportional to 8,040,190.40, 11,286,126.40 and 8,040,190.40

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Solution

The fourth proportional to 8,040,190.40, 11,286,126.40 and 8,040,190.40 is: 11,286,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,190.40 : 11,286,126.40 = 8,040,190.40 : x
  2. Step 2: Convert to fraction form
    8,040,190.40/11,286,126.40 = 8,040,190.40/x
  3. Step 3: Cross multiply
    8,040,190.40x = 11,286,126.40 × 8,040,190.40
  4. Step 4: Simplify right side
    8,040,190.40x = 90,742,605,134,466.56
  5. Step 5: Solve for x
    x = 90,742,605,134,466.56/8,040,190.40
  6. Step 6: Final answer
    x = 11,286,126.40

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Double scale
Find fourth proportional to 8,040,191.40, 11,286,127.80 and 8,040,191.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.