Home / 7,987,086.40-11,980,629.60-6,569,910.40

Finding the Fourth Proportional to 7,987,086.40, 11,980,629.60 and 6,569,910.40

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Solution

The fourth proportional to 7,987,086.40, 11,980,629.60 and 6,569,910.40 is: 9,854,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,086.40 : 11,980,629.60 = 6,569,910.40 : x
  2. Step 2: Convert to fraction form
    7,987,086.40/11,980,629.60 = 6,569,910.40/x
  3. Step 3: Cross multiply
    7,987,086.40x = 11,980,629.60 × 6,569,910.40
  4. Step 4: Simplify right side
    7,987,086.40x = 78,711,663,007,587.84
  5. Step 5: Solve for x
    x = 78,711,663,007,587.84/7,987,086.40
  6. Step 6: Final answer
    x = 9,854,865.60

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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.