Home / 40,539,581.19-55,943,930.60-21,954,570.31

Finding the Fourth Proportional to 40,539,581.19, 55,943,930.60 and 21,954,570.31

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Solution

The fourth proportional to 40,539,581.19, 55,943,930.60 and 21,954,570.31 is: 30,296,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,581.19 : 55,943,930.60 = 21,954,570.31 : x
  2. Step 2: Convert to fraction form
    40,539,581.19/55,943,930.60 = 21,954,570.31/x
  3. Step 3: Cross multiply
    40,539,581.19x = 55,943,930.60 × 21,954,570.31
  4. Step 4: Simplify right side
    40,539,581.19x = 1,228,224,957,817,947.25
  5. Step 5: Solve for x
    x = 1,228,224,957,817,947.25/40,539,581.19
  6. Step 6: Final answer
    x = 30,296,932.57

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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.