Home / 8,142,311.30-12,213,859.75-2,677,285.12

Finding the Fourth Proportional to 8,142,311.30, 12,213,859.75 and 2,677,285.12

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Solution

The fourth proportional to 8,142,311.30, 12,213,859.75 and 2,677,285.12 is: 4,016,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,311.30 : 12,213,859.75 = 2,677,285.12 : x
  2. Step 2: Convert to fraction form
    8,142,311.30/12,213,859.75 = 2,677,285.12/x
  3. Step 3: Cross multiply
    8,142,311.30x = 12,213,859.75 × 2,677,285.12
  4. Step 4: Simplify right side
    8,142,311.30x = 32,699,984,966,441.92
  5. Step 5: Solve for x
    x = 32,699,984,966,441.92/8,142,311.30
  6. Step 6: Final answer
    x = 4,016,056.84

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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.