Home / 8,078,530.80-12,111,769.80-4,882,983.60

Finding the Fourth Proportional to 8,078,530.80, 12,111,769.80 and 4,882,983.60

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Solution

The fourth proportional to 8,078,530.80, 12,111,769.80 and 4,882,983.60 is: 7,320,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,530.80 : 12,111,769.80 = 4,882,983.60 : x
  2. Step 2: Convert to fraction form
    8,078,530.80/12,111,769.80 = 4,882,983.60/x
  3. Step 3: Cross multiply
    8,078,530.80x = 12,111,769.80 × 4,882,983.60
  4. Step 4: Simplify right side
    8,078,530.80x = 59,141,573,300,375.28
  5. Step 5: Solve for x
    x = 59,141,573,300,375.28/8,078,530.80
  6. Step 6: Final answer
    x = 7,320,832.81

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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.