Home / 7,076,556.68-9,765,989.16-3,980,049.80

Finding the Fourth Proportional to 7,076,556.68, 9,765,989.16 and 3,980,049.80

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Solution

The fourth proportional to 7,076,556.68, 9,765,989.16 and 3,980,049.80 is: 5,492,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,556.68 : 9,765,989.16 = 3,980,049.80 : x
  2. Step 2: Convert to fraction form
    7,076,556.68/9,765,989.16 = 3,980,049.80/x
  3. Step 3: Cross multiply
    7,076,556.68x = 9,765,989.16 × 3,980,049.80
  4. Step 4: Simplify right side
    7,076,556.68x = 38,869,123,203,060.16
  5. Step 5: Solve for x
    x = 38,869,123,203,060.16/7,076,556.68
  6. Step 6: Final answer
    x = 5,492,660.48

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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.