Home / 19,365,918.92-26,722,936.32-10,990,621.58

Finding the Fourth Proportional to 19,365,918.92, 26,722,936.32 and 10,990,621.58

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Solution

The fourth proportional to 19,365,918.92, 26,722,936.32 and 10,990,621.58 is: 15,165,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365,918.92 : 26,722,936.32 = 10,990,621.58 : x
  2. Step 2: Convert to fraction form
    19,365,918.92/26,722,936.32 = 10,990,621.58/x
  3. Step 3: Cross multiply
    19,365,918.92x = 26,722,936.32 × 10,990,621.58
  4. Step 4: Simplify right side
    19,365,918.92x = 293,701,680,599,557.81
  5. Step 5: Solve for x
    x = 293,701,680,599,557.81/19,365,918.92
  6. Step 6: Final answer
    x = 15,165,904.69

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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.