Home / 9,981,918.09-13,775,088.51-5,398,239.51

Finding the Fourth Proportional to 9,981,918.09, 13,775,088.51 and 5,398,239.51

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Solution

The fourth proportional to 9,981,918.09, 13,775,088.51 and 5,398,239.51 is: 7,449,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,918.09 : 13,775,088.51 = 5,398,239.51 : x
  2. Step 2: Convert to fraction form
    9,981,918.09/13,775,088.51 = 5,398,239.51/x
  3. Step 3: Cross multiply
    9,981,918.09x = 13,775,088.51 × 5,398,239.51
  4. Step 4: Simplify right side
    9,981,918.09x = 74,361,227,048,429.03
  5. Step 5: Solve for x
    x = 74,361,227,048,429.03/9,981,918.09
  6. Step 6: Final answer
    x = 7,449,592.99

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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.