Home / 9,720,896.51-13,414,949.35-5,369,891.60

Finding the Fourth Proportional to 9,720,896.51, 13,414,949.35 and 5,369,891.60

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Solution

The fourth proportional to 9,720,896.51, 13,414,949.35 and 5,369,891.60 is: 7,410,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,896.51 : 13,414,949.35 = 5,369,891.60 : x
  2. Step 2: Convert to fraction form
    9,720,896.51/13,414,949.35 = 5,369,891.60/x
  3. Step 3: Cross multiply
    9,720,896.51x = 13,414,949.35 × 5,369,891.60
  4. Step 4: Simplify right side
    9,720,896.51x = 72,036,823,735,066.25
  5. Step 5: Solve for x
    x = 72,036,823,735,066.25/9,720,896.51
  6. Step 6: Final answer
    x = 7,410,512.36

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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.