Home / 10,640,804.09-15,963,447.83-3,451,776.66

Finding the Fourth Proportional to 10,640,804.09, 15,963,447.83 and 3,451,776.66

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Solution

The fourth proportional to 10,640,804.09, 15,963,447.83 and 3,451,776.66 is: 5,178,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640,804.09 : 15,963,447.83 = 3,451,776.66 : x
  2. Step 2: Convert to fraction form
    10,640,804.09/15,963,447.83 = 3,451,776.66/x
  3. Step 3: Cross multiply
    10,640,804.09x = 15,963,447.83 × 3,451,776.66
  4. Step 4: Simplify right side
    10,640,804.09x = 55,102,256,615,462.77
  5. Step 5: Solve for x
    x = 55,102,256,615,462.77/10,640,804.09
  6. Step 6: Final answer
    x = 5,178,392.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.