Home / 20,211,163.20-30,316,744.80-16,623,936.45

Finding the Fourth Proportional to 20,211,163.20, 30,316,744.80 and 16,623,936.45

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Solution

The fourth proportional to 20,211,163.20, 30,316,744.80 and 16,623,936.45 is: 24,935,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,163.20 : 30,316,744.80 = 16,623,936.45 : x
  2. Step 2: Convert to fraction form
    20,211,163.20/30,316,744.80 = 16,623,936.45/x
  3. Step 3: Cross multiply
    20,211,163.20x = 30,316,744.80 × 16,623,936.45
  4. Step 4: Simplify right side
    20,211,163.20x = 503,983,638,926,067.94
  5. Step 5: Solve for x
    x = 503,983,638,926,067.94/20,211,163.20
  6. Step 6: Final answer
    x = 24,935,904.68

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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.