Home / 12,783,649.96-17,641,331.85-6,982,435.63

Finding the Fourth Proportional to 12,783,649.96, 17,641,331.85 and 6,982,435.63

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Solution

The fourth proportional to 12,783,649.96, 17,641,331.85 and 6,982,435.63 is: 9,635,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,649.96 : 17,641,331.85 = 6,982,435.63 : x
  2. Step 2: Convert to fraction form
    12,783,649.96/17,641,331.85 = 6,982,435.63/x
  3. Step 3: Cross multiply
    12,783,649.96x = 17,641,331.85 × 6,982,435.63
  4. Step 4: Simplify right side
    12,783,649.96x = 123,179,464,070,093.83
  5. Step 5: Solve for x
    x = 123,179,464,070,093.83/12,783,649.96
  6. Step 6: Final answer
    x = 9,635,703.77

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Double scale
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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.