Home / 10,122,971.90-13,969,662.93-5,476,742.33

Finding the Fourth Proportional to 10,122,971.90, 13,969,662.93 and 5,476,742.33

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Solution

The fourth proportional to 10,122,971.90, 13,969,662.93 and 5,476,742.33 is: 7,557,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,971.90 : 13,969,662.93 = 5,476,742.33 : x
  2. Step 2: Convert to fraction form
    10,122,971.90/13,969,662.93 = 5,476,742.33/x
  3. Step 3: Cross multiply
    10,122,971.90x = 13,969,662.93 × 5,476,742.33
  4. Step 4: Simplify right side
    10,122,971.90x = 76,508,244,234,714.52
  5. Step 5: Solve for x
    x = 76,508,244,234,714.52/10,122,971.90
  6. Step 6: Final answer
    x = 7,557,883.70

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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.