Home / 9,178,729.40-13,770,062.40-2,789,627.60

Finding the Fourth Proportional to 9,178,729.40, 13,770,062.40 and 2,789,627.60

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Solution

The fourth proportional to 9,178,729.40, 13,770,062.40 and 2,789,627.60 is: 4,185,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,729.40 : 13,770,062.40 = 2,789,627.60 : x
  2. Step 2: Convert to fraction form
    9,178,729.40/13,770,062.40 = 2,789,627.60/x
  3. Step 3: Cross multiply
    9,178,729.40x = 13,770,062.40 × 2,789,627.60
  4. Step 4: Simplify right side
    9,178,729.40x = 38,413,346,124,762.24
  5. Step 5: Solve for x
    x = 38,413,346,124,762.24/9,178,729.40
  6. Step 6: Final answer
    x = 4,185,039.61

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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.