Home / 12,720,204.90-17,552,285.73-8,599,200.66

Finding the Fourth Proportional to 12,720,204.90, 17,552,285.73 and 8,599,200.66

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Solution

The fourth proportional to 12,720,204.90, 17,552,285.73 and 8,599,200.66 is: 11,865,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720,204.90 : 17,552,285.73 = 8,599,200.66 : x
  2. Step 2: Convert to fraction form
    12,720,204.90/17,552,285.73 = 8,599,200.66/x
  3. Step 3: Cross multiply
    12,720,204.90x = 17,552,285.73 × 8,599,200.66
  4. Step 4: Simplify right side
    12,720,204.90x = 150,935,627,033,924.59
  5. Step 5: Solve for x
    x = 150,935,627,033,924.59/12,720,204.90
  6. Step 6: Final answer
    x = 11,865,817.27

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1.5x scale

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.