Home / 8,201,619.78-12,302,771.52-2,813,976.06

Finding the Fourth Proportional to 8,201,619.78, 12,302,771.52 and 2,813,976.06

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Solution

The fourth proportional to 8,201,619.78, 12,302,771.52 and 2,813,976.06 is: 4,221,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,619.78 : 12,302,771.52 = 2,813,976.06 : x
  2. Step 2: Convert to fraction form
    8,201,619.78/12,302,771.52 = 2,813,976.06/x
  3. Step 3: Cross multiply
    8,201,619.78x = 12,302,771.52 × 2,813,976.06
  4. Step 4: Simplify right side
    8,201,619.78x = 34,619,704,528,929.81
  5. Step 5: Solve for x
    x = 34,619,704,528,929.81/8,201,619.78
  6. Step 6: Final answer
    x = 4,221,081.38

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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.