Home / 10,078,383.60-13,907,570.04-5,726,865.96

Finding the Fourth Proportional to 10,078,383.60, 13,907,570.04 and 5,726,865.96

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Solution

The fourth proportional to 10,078,383.60, 13,907,570.04 and 5,726,865.96 is: 7,902,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,383.60 : 13,907,570.04 = 5,726,865.96 : x
  2. Step 2: Convert to fraction form
    10,078,383.60/13,907,570.04 = 5,726,865.96/x
  3. Step 3: Cross multiply
    10,078,383.60x = 13,907,570.04 × 5,726,865.96
  4. Step 4: Simplify right side
    10,078,383.60x = 79,646,789,448,391.83
  5. Step 5: Solve for x
    x = 79,646,789,448,391.83/10,078,383.60
  6. Step 6: Final answer
    x = 7,902,734.47

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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.