Home / 13,969,148.22-19,276,382.43-7,856,395.74

Finding the Fourth Proportional to 13,969,148.22, 19,276,382.43 and 7,856,395.74

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Solution

The fourth proportional to 13,969,148.22, 19,276,382.43 and 7,856,395.74 is: 10,841,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,148.22 : 19,276,382.43 = 7,856,395.74 : x
  2. Step 2: Convert to fraction form
    13,969,148.22/19,276,382.43 = 7,856,395.74/x
  3. Step 3: Cross multiply
    13,969,148.22x = 19,276,382.43 × 7,856,395.74
  4. Step 4: Simplify right side
    13,969,148.22x = 151,442,888,805,662.84
  5. Step 5: Solve for x
    x = 151,442,888,805,662.84/13,969,148.22
  6. Step 6: Final answer
    x = 10,841,240.03

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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.