Home / 10,122,999.09-13,969,700.19-5,476,769.63

Finding the Fourth Proportional to 10,122,999.09, 13,969,700.19 and 5,476,769.63

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Solution

The fourth proportional to 10,122,999.09, 13,969,700.19 and 5,476,769.63 is: 7,557,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,999.09 : 13,969,700.19 = 5,476,769.63 : x
  2. Step 2: Convert to fraction form
    10,122,999.09/13,969,700.19 = 5,476,769.63/x
  3. Step 3: Cross multiply
    10,122,999.09x = 13,969,700.19 × 5,476,769.63
  4. Step 4: Simplify right side
    10,122,999.09x = 76,508,829,670,948.72
  5. Step 5: Solve for x
    x = 76,508,829,670,948.72/10,122,999.09
  6. Step 6: Final answer
    x = 7,557,921.22

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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.