Home / 27,158,671.60-40,738,007.40-12,809,764.60

Finding the Fourth Proportional to 27,158,671.60, 40,738,007.40 and 12,809,764.60

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Solution

The fourth proportional to 27,158,671.60, 40,738,007.40 and 12,809,764.60 is: 19,214,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158,671.60 : 40,738,007.40 = 12,809,764.60 : x
  2. Step 2: Convert to fraction form
    27,158,671.60/40,738,007.40 = 12,809,764.60/x
  3. Step 3: Cross multiply
    27,158,671.60x = 40,738,007.40 × 12,809,764.60
  4. Step 4: Simplify right side
    27,158,671.60x = 521,844,285,067,058
  5. Step 5: Solve for x
    x = 521,844,285,067,058/27,158,671.60
  6. Step 6: Final answer
    x = 19,214,646.90

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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.