Home / 9,076,144.80-13,597,628.40-7,384,087.20

Finding the Fourth Proportional to 9,076,144.80, 13,597,628.40 and 7,384,087.20

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Solution

The fourth proportional to 9,076,144.80, 13,597,628.40 and 7,384,087.20 is: 11,062,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076,144.80 : 13,597,628.40 = 7,384,087.20 : x
  2. Step 2: Convert to fraction form
    9,076,144.80/13,597,628.40 = 7,384,087.20/x
  3. Step 3: Cross multiply
    9,076,144.80x = 13,597,628.40 × 7,384,087.20
  4. Step 4: Simplify right side
    9,076,144.80x = 100,406,073,818,796.48
  5. Step 5: Solve for x
    x = 100,406,073,818,796.48/9,076,144.80
  6. Step 6: Final answer
    x = 11,062,634.64

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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.