Home / 6,686,931.70-9,228,072.99-3,786,245.02

Finding the Fourth Proportional to 6,686,931.70, 9,228,072.99 and 3,786,245.02

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Solution

The fourth proportional to 6,686,931.70, 9,228,072.99 and 3,786,245.02 is: 5,225,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686,931.70 : 9,228,072.99 = 3,786,245.02 : x
  2. Step 2: Convert to fraction form
    6,686,931.70/9,228,072.99 = 3,786,245.02/x
  3. Step 3: Cross multiply
    6,686,931.70x = 9,228,072.99 × 3,786,245.02
  4. Step 4: Simplify right side
    6,686,931.70x = 34,939,745,402,584.01
  5. Step 5: Solve for x
    x = 34,939,745,402,584.01/6,686,931.70
  6. Step 6: Final answer
    x = 5,225,078.85

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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.