Home / 6,651,906.10-9,977,859.15-5,217,015.40

Finding the Fourth Proportional to 6,651,906.10, 9,977,859.15 and 5,217,015.40

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Solution

The fourth proportional to 6,651,906.10, 9,977,859.15 and 5,217,015.40 is: 7,825,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,906.10 : 9,977,859.15 = 5,217,015.40 : x
  2. Step 2: Convert to fraction form
    6,651,906.10/9,977,859.15 = 5,217,015.40/x
  3. Step 3: Cross multiply
    6,651,906.10x = 9,977,859.15 × 5,217,015.40
  4. Step 4: Simplify right side
    6,651,906.10x = 52,054,644,844,580.91
  5. Step 5: Solve for x
    x = 52,054,644,844,580.91/6,651,906.10
  6. Step 6: Final answer
    x = 7,825,523.10

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Similar ratio
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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.