Home / 26,605,806.80-39,809,062.20-18,947,157.20

Finding the Fourth Proportional to 26,605,806.80, 39,809,062.20 and 18,947,157.20

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Solution

The fourth proportional to 26,605,806.80, 39,809,062.20 and 18,947,157.20 is: 28,349,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605,806.80 : 39,809,062.20 = 18,947,157.20 : x
  2. Step 2: Convert to fraction form
    26,605,806.80/39,809,062.20 = 18,947,157.20/x
  3. Step 3: Cross multiply
    26,605,806.80x = 39,809,062.20 × 18,947,157.20
  4. Step 4: Simplify right side
    26,605,806.80x = 754,268,559,487,977.88
  5. Step 5: Solve for x
    x = 754,268,559,487,977.88/26,605,806.80
  6. Step 6: Final answer
    x = 28,349,772.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.