Home / 10,693,878.10-16,040,817.15-8,305,090.90

Finding the Fourth Proportional to 10,693,878.10, 16,040,817.15 and 8,305,090.90

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Solution

The fourth proportional to 10,693,878.10, 16,040,817.15 and 8,305,090.90 is: 12,457,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,878.10 : 16,040,817.15 = 8,305,090.90 : x
  2. Step 2: Convert to fraction form
    10,693,878.10/16,040,817.15 = 8,305,090.90/x
  3. Step 3: Cross multiply
    10,693,878.10x = 16,040,817.15 × 8,305,090.90
  4. Step 4: Simplify right side
    10,693,878.10x = 133,220,444,541,028.94
  5. Step 5: Solve for x
    x = 133,220,444,541,028.94/10,693,878.10
  6. Step 6: Final answer
    x = 12,457,636.35

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Similar ratio
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1.5x scale

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.