Home / 8,426,321.82-11,640,228.39-6,705,240.30

Finding the Fourth Proportional to 8,426,321.82, 11,640,228.39 and 6,705,240.30

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Solution

The fourth proportional to 8,426,321.82, 11,640,228.39 and 6,705,240.30 is: 9,262,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426,321.82 : 11,640,228.39 = 6,705,240.30 : x
  2. Step 2: Convert to fraction form
    8,426,321.82/11,640,228.39 = 6,705,240.30/x
  3. Step 3: Cross multiply
    8,426,321.82x = 11,640,228.39 × 6,705,240.30
  4. Step 4: Simplify right side
    8,426,321.82x = 78,050,528,501,832.12
  5. Step 5: Solve for x
    x = 78,050,528,501,832.12/8,426,321.82
  6. Step 6: Final answer
    x = 9,262,704.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.