Home / 7,384,469.16-11,076,614.64-1,919,079.78

Finding the Fourth Proportional to 7,384,469.16, 11,076,614.64 and 1,919,079.78

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Solution

The fourth proportional to 7,384,469.16, 11,076,614.64 and 1,919,079.78 is: 2,878,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384,469.16 : 11,076,614.64 = 1,919,079.78 : x
  2. Step 2: Convert to fraction form
    7,384,469.16/11,076,614.64 = 1,919,079.78/x
  3. Step 3: Cross multiply
    7,384,469.16x = 11,076,614.64 × 1,919,079.78
  4. Step 4: Simplify right side
    7,384,469.16x = 21,256,907,186,475.98
  5. Step 5: Solve for x
    x = 21,256,907,186,475.98/7,384,469.16
  6. Step 6: Final answer
    x = 2,878,596.51

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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.