Home / 12,522,129.96-17,282,365.29-7,015,877.73

Finding the Fourth Proportional to 12,522,129.96, 17,282,365.29 and 7,015,877.73

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Solution

The fourth proportional to 12,522,129.96, 17,282,365.29 and 7,015,877.73 is: 9,682,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,129.96 : 17,282,365.29 = 7,015,877.73 : x
  2. Step 2: Convert to fraction form
    12,522,129.96/17,282,365.29 = 7,015,877.73/x
  3. Step 3: Cross multiply
    12,522,129.96x = 17,282,365.29 × 7,015,877.73
  4. Step 4: Simplify right side
    12,522,129.96x = 121,250,961,759,836
  5. Step 5: Solve for x
    x = 121,250,961,759,836/12,522,129.96
  6. Step 6: Final answer
    x = 9,682,934.30

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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.