Home / 21,591,355.86-29,796,873.57-11,802,458.34

Finding the Fourth Proportional to 21,591,355.86, 29,796,873.57 and 11,802,458.34

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Solution

The fourth proportional to 21,591,355.86, 29,796,873.57 and 11,802,458.34 is: 16,287,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591,355.86 : 29,796,873.57 = 11,802,458.34 : x
  2. Step 2: Convert to fraction form
    21,591,355.86/29,796,873.57 = 11,802,458.34/x
  3. Step 3: Cross multiply
    21,591,355.86x = 29,796,873.57 × 11,802,458.34
  4. Step 4: Simplify right side
    21,591,355.86x = 351,676,358,972,172.06
  5. Step 5: Solve for x
    x = 351,676,358,972,172.06/21,591,355.86
  6. Step 6: Final answer
    x = 16,287,831.17

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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.