Home / 7,757,896.80-11,631,435.12-3,437,597.28

Finding the Fourth Proportional to 7,757,896.80, 11,631,435.12 and 3,437,597.28

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Solution

The fourth proportional to 7,757,896.80, 11,631,435.12 and 3,437,597.28 is: 5,153,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757,896.80 : 11,631,435.12 = 3,437,597.28 : x
  2. Step 2: Convert to fraction form
    7,757,896.80/11,631,435.12 = 3,437,597.28/x
  3. Step 3: Cross multiply
    7,757,896.80x = 11,631,435.12 × 3,437,597.28
  4. Step 4: Simplify right side
    7,757,896.80x = 39,984,189,731,008.47
  5. Step 5: Solve for x
    x = 39,984,189,731,008.47/7,757,896.80
  6. Step 6: Final answer
    x = 5,153,998.66

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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.