Home / 12,019,032.44-18,046,558.64-10,404,780.40

Finding the Fourth Proportional to 12,019,032.44, 18,046,558.64 and 10,404,780.40

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Solution

The fourth proportional to 12,019,032.44, 18,046,558.64 and 10,404,780.40 is: 15,622,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,032.44 : 18,046,558.64 = 10,404,780.40 : x
  2. Step 2: Convert to fraction form
    12,019,032.44/18,046,558.64 = 10,404,780.40/x
  3. Step 3: Cross multiply
    12,019,032.44x = 18,046,558.64 × 10,404,780.40
  4. Step 4: Simplify right side
    12,019,032.44x = 187,770,479,624,922.66
  5. Step 5: Solve for x
    x = 187,770,479,624,922.66/12,019,032.44
  6. Step 6: Final answer
    x = 15,622,761.70

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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.