Home / 9,981,947.16-13,775,128.53-5,398,268.58

Finding the Fourth Proportional to 9,981,947.16, 13,775,128.53 and 5,398,268.58

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Solution

The fourth proportional to 9,981,947.16, 13,775,128.53 and 5,398,268.58 is: 7,449,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,947.16 : 13,775,128.53 = 5,398,268.58 : x
  2. Step 2: Convert to fraction form
    9,981,947.16/13,775,128.53 = 5,398,268.58/x
  3. Step 3: Cross multiply
    9,981,947.16x = 13,775,128.53 × 5,398,268.58
  4. Step 4: Simplify right side
    9,981,947.16x = 74,361,843,528,960.58
  5. Step 5: Solve for x
    x = 74,361,843,528,960.58/9,981,947.16
  6. Step 6: Final answer
    x = 7,449,633.06

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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.