Home / 15,940,744.69-21,992,722.43-9,663,284.72

Finding the Fourth Proportional to 15,940,744.69, 21,992,722.43 and 9,663,284.72

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Solution

The fourth proportional to 15,940,744.69, 21,992,722.43 and 9,663,284.72 is: 13,331,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940,744.69 : 21,992,722.43 = 9,663,284.72 : x
  2. Step 2: Convert to fraction form
    15,940,744.69/21,992,722.43 = 9,663,284.72/x
  3. Step 3: Cross multiply
    15,940,744.69x = 21,992,722.43 × 9,663,284.72
  4. Step 4: Simplify right side
    15,940,744.69x = 212,521,938,609,020.28
  5. Step 5: Solve for x
    x = 212,521,938,609,020.28/15,940,744.69
  6. Step 6: Final answer
    x = 13,331,995.64

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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.