Home / 12,863,794.20-19,277,976.60-8,533,534.20

Finding the Fourth Proportional to 12,863,794.20, 19,277,976.60 and 8,533,534.20

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Solution

The fourth proportional to 12,863,794.20, 19,277,976.60 and 8,533,534.20 is: 12,788,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,794.20 : 19,277,976.60 = 8,533,534.20 : x
  2. Step 2: Convert to fraction form
    12,863,794.20/19,277,976.60 = 8,533,534.20/x
  3. Step 3: Cross multiply
    12,863,794.20x = 19,277,976.60 × 8,533,534.20
  4. Step 4: Simplify right side
    12,863,794.20x = 164,509,272,622,899.72
  5. Step 5: Solve for x
    x = 164,509,272,622,899.72/12,863,794.20
  6. Step 6: Final answer
    x = 12,788,549.79

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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.