Home / 12,590,979.80-18,886,469.70-8,056,016.60

Finding the Fourth Proportional to 12,590,979.80, 18,886,469.70 and 8,056,016.60

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Solution

The fourth proportional to 12,590,979.80, 18,886,469.70 and 8,056,016.60 is: 12,084,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,979.80 : 18,886,469.70 = 8,056,016.60 : x
  2. Step 2: Convert to fraction form
    12,590,979.80/18,886,469.70 = 8,056,016.60/x
  3. Step 3: Cross multiply
    12,590,979.80x = 18,886,469.70 × 8,056,016.60
  4. Step 4: Simplify right side
    12,590,979.80x = 152,149,713,418,597
  5. Step 5: Solve for x
    x = 152,149,713,418,597/12,590,979.80
  6. Step 6: Final answer
    x = 12,084,024.90

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1.5x scale

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.