Home / 13,747,699.24-18,972,125.54-7,552,825.80

Finding the Fourth Proportional to 13,747,699.24, 18,972,125.54 and 7,552,825.80

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Solution

The fourth proportional to 13,747,699.24, 18,972,125.54 and 7,552,825.80 is: 10,423,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,699.24 : 18,972,125.54 = 7,552,825.80 : x
  2. Step 2: Convert to fraction form
    13,747,699.24/18,972,125.54 = 7,552,825.80/x
  3. Step 3: Cross multiply
    13,747,699.24x = 18,972,125.54 × 7,552,825.80
  4. Step 4: Simplify right side
    13,747,699.24x = 143,293,159,259,350.91
  5. Step 5: Solve for x
    x = 143,293,159,259,350.91/13,747,699.24
  6. Step 6: Final answer
    x = 10,423,064.74

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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.