Home / 11,428,626.81-15,767,015.49-6,531,221.64

Finding the Fourth Proportional to 11,428,626.81, 15,767,015.49 and 6,531,221.64

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Solution

The fourth proportional to 11,428,626.81, 15,767,015.49 and 6,531,221.64 is: 9,010,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,626.81 : 15,767,015.49 = 6,531,221.64 : x
  2. Step 2: Convert to fraction form
    11,428,626.81/15,767,015.49 = 6,531,221.64/x
  3. Step 3: Cross multiply
    11,428,626.81x = 15,767,015.49 × 6,531,221.64
  4. Step 4: Simplify right side
    11,428,626.81x = 102,977,872,766,503.20
  5. Step 5: Solve for x
    x = 102,977,872,766,503.20/11,428,626.81
  6. Step 6: Final answer
    x = 9,010,520.20

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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.