Home / 21,855,387.60-32,762,086.20-16,994,998.80

Finding the Fourth Proportional to 21,855,387.60, 32,762,086.20 and 16,994,998.80

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Solution

The fourth proportional to 21,855,387.60, 32,762,086.20 and 16,994,998.80 is: 25,476,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,387.60 : 32,762,086.20 = 16,994,998.80 : x
  2. Step 2: Convert to fraction form
    21,855,387.60/32,762,086.20 = 16,994,998.80/x
  3. Step 3: Cross multiply
    21,855,387.60x = 32,762,086.20 × 16,994,998.80
  4. Step 4: Simplify right side
    21,855,387.60x = 556,791,615,654,496.56
  5. Step 5: Solve for x
    x = 556,791,615,654,496.56/21,855,387.60
  6. Step 6: Final answer
    x = 25,476,172.09

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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.