Home / 12,235,126.49-16,884,907.82-6,728,927.52

Finding the Fourth Proportional to 12,235,126.49, 16,884,907.82 and 6,728,927.52

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Solution

The fourth proportional to 12,235,126.49, 16,884,907.82 and 6,728,927.52 is: 9,286,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,126.49 : 16,884,907.82 = 6,728,927.52 : x
  2. Step 2: Convert to fraction form
    12,235,126.49/16,884,907.82 = 6,728,927.52/x
  3. Step 3: Cross multiply
    12,235,126.49x = 16,884,907.82 × 6,728,927.52
  4. Step 4: Simplify right side
    12,235,126.49x = 113,617,320,902,661.20
  5. Step 5: Solve for x
    x = 113,617,320,902,661.20/12,235,126.49
  6. Step 6: Final answer
    x = 9,286,158.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.