Home / 18,639,097.36-27,945,647.14-8,258,670.60

Finding the Fourth Proportional to 18,639,097.36, 27,945,647.14 and 8,258,670.60

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Solution

The fourth proportional to 18,639,097.36, 27,945,647.14 and 8,258,670.60 is: 12,382,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,097.36 : 27,945,647.14 = 8,258,670.60 : x
  2. Step 2: Convert to fraction form
    18,639,097.36/27,945,647.14 = 8,258,670.60/x
  3. Step 3: Cross multiply
    18,639,097.36x = 27,945,647.14 × 8,258,670.60
  4. Step 4: Simplify right side
    18,639,097.36x = 230,793,894,323,142.50
  5. Step 5: Solve for x
    x = 230,793,894,323,142.50/18,639,097.36
  6. Step 6: Final answer
    x = 12,382,246.30

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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.