Home / 6,986,564.70-10,479,847.05-4,145,214.30

Finding the Fourth Proportional to 6,986,564.70, 10,479,847.05 and 4,145,214.30

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Solution

The fourth proportional to 6,986,564.70, 10,479,847.05 and 4,145,214.30 is: 6,217,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,564.70 : 10,479,847.05 = 4,145,214.30 : x
  2. Step 2: Convert to fraction form
    6,986,564.70/10,479,847.05 = 4,145,214.30/x
  3. Step 3: Cross multiply
    6,986,564.70x = 10,479,847.05 × 4,145,214.30
  4. Step 4: Simplify right side
    6,986,564.70x = 43,441,211,853,472.81
  5. Step 5: Solve for x
    x = 43,441,211,853,472.81/6,986,564.70
  6. Step 6: Final answer
    x = 6,217,821.45

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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.