Home / 12,760,773.04-17,605,419.96-8,179,620.40

Finding the Fourth Proportional to 12,760,773.04, 17,605,419.96 and 8,179,620.40

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Solution

The fourth proportional to 12,760,773.04, 17,605,419.96 and 8,179,620.40 is: 11,285,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,773.04 : 17,605,419.96 = 8,179,620.40 : x
  2. Step 2: Convert to fraction form
    12,760,773.04/17,605,419.96 = 8,179,620.40/x
  3. Step 3: Cross multiply
    12,760,773.04x = 17,605,419.96 × 8,179,620.40
  4. Step 4: Simplify right side
    12,760,773.04x = 144,005,652,255,383.19
  5. Step 5: Solve for x
    x = 144,005,652,255,383.19/12,760,773.04
  6. Step 6: Final answer
    x = 11,285,025.74

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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.