Home / 7,280,997.80-10,921,496.70-4,885,989.80

Finding the Fourth Proportional to 7,280,997.80, 10,921,496.70 and 4,885,989.80

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Solution

The fourth proportional to 7,280,997.80, 10,921,496.70 and 4,885,989.80 is: 7,328,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,997.80 : 10,921,496.70 = 4,885,989.80 : x
  2. Step 2: Convert to fraction form
    7,280,997.80/10,921,496.70 = 4,885,989.80/x
  3. Step 3: Cross multiply
    7,280,997.80x = 10,921,496.70 × 4,885,989.80
  4. Step 4: Simplify right side
    7,280,997.80x = 53,362,321,476,933.66
  5. Step 5: Solve for x
    x = 53,362,321,476,933.66/7,280,997.80
  6. Step 6: Final answer
    x = 7,328,984.70

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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.