Home / 8,009,450.38-12,000,178.77-6,670,228.78

Finding the Fourth Proportional to 8,009,450.38, 12,000,178.77 and 6,670,228.78

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Solution

The fourth proportional to 8,009,450.38, 12,000,178.77 and 6,670,228.78 is: 9,993,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009,450.38 : 12,000,178.77 = 6,670,228.78 : x
  2. Step 2: Convert to fraction form
    8,009,450.38/12,000,178.77 = 6,670,228.78/x
  3. Step 3: Cross multiply
    8,009,450.38x = 12,000,178.77 × 6,670,228.78
  4. Step 4: Simplify right side
    8,009,450.38x = 80,043,937,796,799
  5. Step 5: Solve for x
    x = 80,043,937,796,799/8,009,450.38
  6. Step 6: Final answer
    x = 9,993,686.71

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1.5x scale

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.