Home / 7,431,156.80-11,148,808.80-3,644,763.20

Finding the Fourth Proportional to 7,431,156.80, 11,148,808.80 and 3,644,763.20

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Solution

The fourth proportional to 7,431,156.80, 11,148,808.80 and 3,644,763.20 is: 5,468,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,156.80 : 11,148,808.80 = 3,644,763.20 : x
  2. Step 2: Convert to fraction form
    7,431,156.80/11,148,808.80 = 3,644,763.20/x
  3. Step 3: Cross multiply
    7,431,156.80x = 11,148,808.80 × 3,644,763.20
  4. Step 4: Simplify right side
    7,431,156.80x = 40,634,768,038,076.16
  5. Step 5: Solve for x
    x = 40,634,768,038,076.16/7,431,156.80
  6. Step 6: Final answer
    x = 5,468,161.84

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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.