Home / 21,726,911.80-32,590,367.70-8,261,990.20

Finding the Fourth Proportional to 21,726,911.80, 32,590,367.70 and 8,261,990.20

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Solution

The fourth proportional to 21,726,911.80, 32,590,367.70 and 8,261,990.20 is: 12,392,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,911.80 : 32,590,367.70 = 8,261,990.20 : x
  2. Step 2: Convert to fraction form
    21,726,911.80/32,590,367.70 = 8,261,990.20/x
  3. Step 3: Cross multiply
    21,726,911.80x = 32,590,367.70 × 8,261,990.20
  4. Step 4: Simplify right side
    21,726,911.80x = 269,261,298,551,796.53
  5. Step 5: Solve for x
    x = 269,261,298,551,796.53/21,726,911.80
  6. Step 6: Final answer
    x = 12,392,985.30

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1.5x scale

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.