Home / 43,456,969.20-65,185,453.80-13,164,832.20

Finding the Fourth Proportional to 43,456,969.20, 65,185,453.80 and 13,164,832.20

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Solution

The fourth proportional to 43,456,969.20, 65,185,453.80 and 13,164,832.20 is: 19,747,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456,969.20 : 65,185,453.80 = 13,164,832.20 : x
  2. Step 2: Convert to fraction form
    43,456,969.20/65,185,453.80 = 13,164,832.20/x
  3. Step 3: Cross multiply
    43,456,969.20x = 65,185,453.80 × 13,164,832.20
  4. Step 4: Simplify right side
    43,456,969.20x = 858,155,561,157,852.25
  5. Step 5: Solve for x
    x = 858,155,561,157,852.25/43,456,969.20
  6. Step 6: Final answer
    x = 19,747,248.30

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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.