Home / 13,277,255.88-18,320,664-7,474,882.44

Finding the Fourth Proportional to 13,277,255.88, 18,320,664 and 7,474,882.44

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Solution

The fourth proportional to 13,277,255.88, 18,320,664 and 7,474,882.44 is: 10,314,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,255.88 : 18,320,664 = 7,474,882.44 : x
  2. Step 2: Convert to fraction form
    13,277,255.88/18,320,664 = 7,474,882.44/x
  3. Step 3: Cross multiply
    13,277,255.88x = 18,320,664 × 7,474,882.44
  4. Step 4: Simplify right side
    13,277,255.88x = 136,944,809,622,740.17
  5. Step 5: Solve for x
    x = 136,944,809,622,740.17/13,277,255.88
  6. Step 6: Final answer
    x = 10,314,240.45

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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.