Home / 7,431,157.80-11,148,810.30-3,644,764.20

Finding the Fourth Proportional to 7,431,157.80, 11,148,810.30 and 3,644,764.20

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Solution

The fourth proportional to 7,431,157.80, 11,148,810.30 and 3,644,764.20 is: 5,468,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,157.80 : 11,148,810.30 = 3,644,764.20 : x
  2. Step 2: Convert to fraction form
    7,431,157.80/11,148,810.30 = 3,644,764.20/x
  3. Step 3: Cross multiply
    7,431,157.80x = 11,148,810.30 × 3,644,764.20
  4. Step 4: Simplify right side
    7,431,157.80x = 40,634,784,654,031.27
  5. Step 5: Solve for x
    x = 40,634,784,654,031.27/7,431,157.80
  6. Step 6: Final answer
    x = 5,468,163.34

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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.