Home / 13,889,478.88-19,174,126.72-9,250,983.20

Finding the Fourth Proportional to 13,889,478.88, 19,174,126.72 and 9,250,983.20

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Solution

The fourth proportional to 13,889,478.88, 19,174,126.72 and 9,250,983.20 is: 12,770,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,478.88 : 19,174,126.72 = 9,250,983.20 : x
  2. Step 2: Convert to fraction form
    13,889,478.88/19,174,126.72 = 9,250,983.20/x
  3. Step 3: Cross multiply
    13,889,478.88x = 19,174,126.72 × 9,250,983.20
  4. Step 4: Simplify right side
    13,889,478.88x = 177,379,524,161,391.09
  5. Step 5: Solve for x
    x = 177,379,524,161,391.09/13,889,478.88
  6. Step 6: Final answer
    x = 12,770,783.24

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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.