Home / 9,987,362.72-13,782,560-5,403,684

Finding the Fourth Proportional to 9,987,362.72, 13,782,560 and 5,403,684

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Solution

The fourth proportional to 9,987,362.72, 13,782,560 and 5,403,684 is: 7,457,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,362.72 : 13,782,560 = 5,403,684 : x
  2. Step 2: Convert to fraction form
    9,987,362.72/13,782,560 = 5,403,684/x
  3. Step 3: Cross multiply
    9,987,362.72x = 13,782,560 × 5,403,684
  4. Step 4: Simplify right side
    9,987,362.72x = 74,476,598,951,040
  5. Step 5: Solve for x
    x = 74,476,598,951,040/9,987,362.72
  6. Step 6: Final answer
    x = 7,457,083.62

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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.