Home / 21,975,271.20-32,962,906.80-19,623,808.80

Finding the Fourth Proportional to 21,975,271.20, 32,962,906.80 and 19,623,808.80

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Solution

The fourth proportional to 21,975,271.20, 32,962,906.80 and 19,623,808.80 is: 29,435,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975,271.20 : 32,962,906.80 = 19,623,808.80 : x
  2. Step 2: Convert to fraction form
    21,975,271.20/32,962,906.80 = 19,623,808.80/x
  3. Step 3: Cross multiply
    21,975,271.20x = 32,962,906.80 × 19,623,808.80
  4. Step 4: Simplify right side
    21,975,271.20x = 646,857,780,535,419.88
  5. Step 5: Solve for x
    x = 646,857,780,535,419.88/21,975,271.20
  6. Step 6: Final answer
    x = 29,435,713.20

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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.