Home / 8,476,342.81-12,720,167.61-3,084,991.72

Finding the Fourth Proportional to 8,476,342.81, 12,720,167.61 and 3,084,991.72

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Solution

The fourth proportional to 8,476,342.81, 12,720,167.61 and 3,084,991.72 is: 4,629,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476,342.81 : 12,720,167.61 = 3,084,991.72 : x
  2. Step 2: Convert to fraction form
    8,476,342.81/12,720,167.61 = 3,084,991.72/x
  3. Step 3: Cross multiply
    8,476,342.81x = 12,720,167.61 × 3,084,991.72
  4. Step 4: Simplify right side
    8,476,342.81x = 39,241,611,710,493.05
  5. Step 5: Solve for x
    x = 39,241,611,710,493.05/8,476,342.81
  6. Step 6: Final answer
    x = 4,629,545.15

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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.