Home / 21,746,489.45-30,009,348.32-11,956,351.14

Finding the Fourth Proportional to 21,746,489.45, 30,009,348.32 and 11,956,351.14

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Solution

The fourth proportional to 21,746,489.45, 30,009,348.32 and 11,956,351.14 is: 16,499,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746,489.45 : 30,009,348.32 = 11,956,351.14 : x
  2. Step 2: Convert to fraction form
    21,746,489.45/30,009,348.32 = 11,956,351.14/x
  3. Step 3: Cross multiply
    21,746,489.45x = 30,009,348.32 × 11,956,351.14
  4. Step 4: Simplify right side
    21,746,489.45x = 358,802,305,936,707.38
  5. Step 5: Solve for x
    x = 358,802,305,936,707.38/21,746,489.45
  6. Step 6: Final answer
    x = 16,499,320.81

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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.