Home / 11,754,761.80-17,632,142.70-8,320,880.20

Finding the Fourth Proportional to 11,754,761.80, 17,632,142.70 and 8,320,880.20

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Solution

The fourth proportional to 11,754,761.80, 17,632,142.70 and 8,320,880.20 is: 12,481,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,761.80 : 17,632,142.70 = 8,320,880.20 : x
  2. Step 2: Convert to fraction form
    11,754,761.80/17,632,142.70 = 8,320,880.20/x
  3. Step 3: Cross multiply
    11,754,761.80x = 17,632,142.70 × 8,320,880.20
  4. Step 4: Simplify right side
    11,754,761.80x = 146,714,947,076,004.53
  5. Step 5: Solve for x
    x = 146,714,947,076,004.53/11,754,761.80
  6. Step 6: Final answer
    x = 12,481,320.30

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1.5x scale

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.