Home / 8,878,020.19-13,317,417.87-2,813,198.86

Finding the Fourth Proportional to 8,878,020.19, 13,317,417.87 and 2,813,198.86

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Solution

The fourth proportional to 8,878,020.19, 13,317,417.87 and 2,813,198.86 is: 4,219,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,020.19 : 13,317,417.87 = 2,813,198.86 : x
  2. Step 2: Convert to fraction form
    8,878,020.19/13,317,417.87 = 2,813,198.86/x
  3. Step 3: Cross multiply
    8,878,020.19x = 13,317,417.87 × 2,813,198.86
  4. Step 4: Simplify right side
    8,878,020.19x = 37,464,544,770,027.62
  5. Step 5: Solve for x
    x = 37,464,544,770,027.62/8,878,020.19
  6. Step 6: Final answer
    x = 4,219,921.10

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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.