Home / 7,989,438.80-11,984,158.20-2,670,654.80

Finding the Fourth Proportional to 7,989,438.80, 11,984,158.20 and 2,670,654.80

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Solution

The fourth proportional to 7,989,438.80, 11,984,158.20 and 2,670,654.80 is: 4,005,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,438.80 : 11,984,158.20 = 2,670,654.80 : x
  2. Step 2: Convert to fraction form
    7,989,438.80/11,984,158.20 = 2,670,654.80/x
  3. Step 3: Cross multiply
    7,989,438.80x = 11,984,158.20 × 2,670,654.80
  4. Step 4: Simplify right side
    7,989,438.80x = 32,005,549,620,789.36
  5. Step 5: Solve for x
    x = 32,005,549,620,789.36/7,989,438.80
  6. Step 6: Final answer
    x = 4,005,982.20

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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.