Home / 12,577,076.80-18,879,806.40-8,325,548.80

Finding the Fourth Proportional to 12,577,076.80, 18,879,806.40 and 8,325,548.80

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Solution

The fourth proportional to 12,577,076.80, 18,879,806.40 and 8,325,548.80 is: 12,497,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,076.80 : 18,879,806.40 = 8,325,548.80 : x
  2. Step 2: Convert to fraction form
    12,577,076.80/18,879,806.40 = 8,325,548.80/x
  3. Step 3: Cross multiply
    12,577,076.80x = 18,879,806.40 × 8,325,548.80
  4. Step 4: Simplify right side
    12,577,076.80x = 157,184,749,517,752.31
  5. Step 5: Solve for x
    x = 157,184,749,517,752.31/12,577,076.80
  6. Step 6: Final answer
    x = 12,497,717.24

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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.