Home / 10,643,343.36-15,971,314.56-3,916,481.28

Finding the Fourth Proportional to 10,643,343.36, 15,971,314.56 and 3,916,481.28

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Solution

The fourth proportional to 10,643,343.36, 15,971,314.56 and 3,916,481.28 is: 5,877,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,343.36 : 15,971,314.56 = 3,916,481.28 : x
  2. Step 2: Convert to fraction form
    10,643,343.36/15,971,314.56 = 3,916,481.28/x
  3. Step 3: Cross multiply
    10,643,343.36x = 15,971,314.56 × 3,916,481.28
  4. Step 4: Simplify right side
    10,643,343.36x = 62,551,354,491,231.44
  5. Step 5: Solve for x
    x = 62,551,354,491,231.44/10,643,343.36
  6. Step 6: Final answer
    x = 5,877,039.98

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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.