Home / 8,474,570.94-12,717,455.16-3,987,196.86

Finding the Fourth Proportional to 8,474,570.94, 12,717,455.16 and 3,987,196.86

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Solution

The fourth proportional to 8,474,570.94, 12,717,455.16 and 3,987,196.86 is: 5,983,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,570.94 : 12,717,455.16 = 3,987,196.86 : x
  2. Step 2: Convert to fraction form
    8,474,570.94/12,717,455.16 = 3,987,196.86/x
  3. Step 3: Cross multiply
    8,474,570.94x = 12,717,455.16 × 3,987,196.86
  4. Step 4: Simplify right side
    8,474,570.94x = 50,706,997,281,142.80
  5. Step 5: Solve for x
    x = 50,706,997,281,142.80/8,474,570.94
  6. Step 6: Final answer
    x = 5,983,429.44

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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.