Home / 12,819,160.15-17,687,612.83-7,589,571.58

Finding the Fourth Proportional to 12,819,160.15, 17,687,612.83 and 7,589,571.58

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Solution

The fourth proportional to 12,819,160.15, 17,687,612.83 and 7,589,571.58 is: 10,471,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,160.15 : 17,687,612.83 = 7,589,571.58 : x
  2. Step 2: Convert to fraction form
    12,819,160.15/17,687,612.83 = 7,589,571.58/x
  3. Step 3: Cross multiply
    12,819,160.15x = 17,687,612.83 × 7,589,571.58
  4. Step 4: Simplify right side
    12,819,160.15x = 134,241,403,652,611.36
  5. Step 5: Solve for x
    x = 134,241,403,652,611.36/12,819,160.15
  6. Step 6: Final answer
    x = 10,471,934.36

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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.