Home / 21,692,571-32,539,047.12-5,518,539.36

Finding the Fourth Proportional to 21,692,571, 32,539,047.12 and 5,518,539.36

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Solution

The fourth proportional to 21,692,571, 32,539,047.12 and 5,518,539.36 is: 8,277,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,571 : 32,539,047.12 = 5,518,539.36 : x
  2. Step 2: Convert to fraction form
    21,692,571/32,539,047.12 = 5,518,539.36/x
  3. Step 3: Cross multiply
    21,692,571x = 32,539,047.12 × 5,518,539.36
  4. Step 4: Simplify right side
    21,692,571x = 179,568,012,268,614.66
  5. Step 5: Solve for x
    x = 179,568,012,268,614.66/21,692,571
  6. Step 6: Final answer
    x = 8,277,857.53

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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.