Home / 21,389,075.20-32,083,612.80-16,611,500.80

Finding the Fourth Proportional to 21,389,075.20, 32,083,612.80 and 16,611,500.80

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Solution

The fourth proportional to 21,389,075.20, 32,083,612.80 and 16,611,500.80 is: 24,917,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,389,075.20 : 32,083,612.80 = 16,611,500.80 : x
  2. Step 2: Convert to fraction form
    21,389,075.20/32,083,612.80 = 16,611,500.80/x
  3. Step 3: Cross multiply
    21,389,075.20x = 32,083,612.80 × 16,611,500.80
  4. Step 4: Simplify right side
    21,389,075.20x = 532,956,959,694,090.25
  5. Step 5: Solve for x
    x = 532,956,959,694,090.25/21,389,075.20
  6. Step 6: Final answer
    x = 24,917,251.20

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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.