Home / 10,947,984.40-16,421,976.60-6,469,008.40

Finding the Fourth Proportional to 10,947,984.40, 16,421,976.60 and 6,469,008.40

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Solution

The fourth proportional to 10,947,984.40, 16,421,976.60 and 6,469,008.40 is: 9,703,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947,984.40 : 16,421,976.60 = 6,469,008.40 : x
  2. Step 2: Convert to fraction form
    10,947,984.40/16,421,976.60 = 6,469,008.40/x
  3. Step 3: Cross multiply
    10,947,984.40x = 16,421,976.60 × 6,469,008.40
  4. Step 4: Simplify right side
    10,947,984.40x = 106,233,904,570,003.44
  5. Step 5: Solve for x
    x = 106,233,904,570,003.44/10,947,984.40
  6. Step 6: Final answer
    x = 9,703,512.60

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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.