Home / 12,944,015.40-19,428,464.70-6,561,474.60

Finding the Fourth Proportional to 12,944,015.40, 19,428,464.70 and 6,561,474.60

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Solution

The fourth proportional to 12,944,015.40, 19,428,464.70 and 6,561,474.60 is: 9,848,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,015.40 : 19,428,464.70 = 6,561,474.60 : x
  2. Step 2: Convert to fraction form
    12,944,015.40/19,428,464.70 = 6,561,474.60/x
  3. Step 3: Cross multiply
    12,944,015.40x = 19,428,464.70 × 6,561,474.60
  4. Step 4: Simplify right side
    12,944,015.40x = 127,479,377,646,046.61
  5. Step 5: Solve for x
    x = 127,479,377,646,046.61/12,944,015.40
  6. Step 6: Final answer
    x = 9,848,518.69

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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.