Home / 15,759,518.82-21,751,517.40-9,954,608.46

Finding the Fourth Proportional to 15,759,518.82, 21,751,517.40 and 9,954,608.46

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Solution

The fourth proportional to 15,759,518.82, 21,751,517.40 and 9,954,608.46 is: 13,739,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759,518.82 : 21,751,517.40 = 9,954,608.46 : x
  2. Step 2: Convert to fraction form
    15,759,518.82/21,751,517.40 = 9,954,608.46/x
  3. Step 3: Cross multiply
    15,759,518.82x = 21,751,517.40 × 9,954,608.46
  4. Step 4: Simplify right side
    15,759,518.82x = 216,527,839,127,877.22
  5. Step 5: Solve for x
    x = 216,527,839,127,877.22/15,759,518.82
  6. Step 6: Final answer
    x = 13,739,495.58

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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.