Home / 12,582,760.66-17,364,043.70-7,076,133.86

Finding the Fourth Proportional to 12,582,760.66, 17,364,043.70 and 7,076,133.86

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Solution

The fourth proportional to 12,582,760.66, 17,364,043.70 and 7,076,133.86 is: 9,764,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,760.66 : 17,364,043.70 = 7,076,133.86 : x
  2. Step 2: Convert to fraction form
    12,582,760.66/17,364,043.70 = 7,076,133.86/x
  3. Step 3: Cross multiply
    12,582,760.66x = 17,364,043.70 × 7,076,133.86
  4. Step 4: Simplify right side
    12,582,760.66x = 122,870,297,528,679.56
  5. Step 5: Solve for x
    x = 122,870,297,528,679.56/12,582,760.66
  6. Step 6: Final answer
    x = 9,764,971.37

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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.