Home / 8,557,490.57-12,840,387.74-3,764,557.05

Finding the Fourth Proportional to 8,557,490.57, 12,840,387.74 and 3,764,557.05

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Solution

The fourth proportional to 8,557,490.57, 12,840,387.74 and 3,764,557.05 is: 5,648,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,490.57 : 12,840,387.74 = 3,764,557.05 : x
  2. Step 2: Convert to fraction form
    8,557,490.57/12,840,387.74 = 3,764,557.05/x
  3. Step 3: Cross multiply
    8,557,490.57x = 12,840,387.74 × 3,764,557.05
  4. Step 4: Simplify right side
    8,557,490.57x = 48,338,372,172,527.77
  5. Step 5: Solve for x
    x = 48,338,372,172,527.77/8,557,490.57
  6. Step 6: Final answer
    x = 5,648,662.05

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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.