Home / 20,830,923.48-31,234,994.96-16,540,533.84

Finding the Fourth Proportional to 20,830,923.48, 31,234,994.96 and 16,540,533.84

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Solution

The fourth proportional to 20,830,923.48, 31,234,994.96 and 16,540,533.84 is: 24,801,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,923.48 : 31,234,994.96 = 16,540,533.84 : x
  2. Step 2: Convert to fraction form
    20,830,923.48/31,234,994.96 = 16,540,533.84/x
  3. Step 3: Cross multiply
    20,830,923.48x = 31,234,994.96 × 16,540,533.84
  4. Step 4: Simplify right side
    20,830,923.48x = 516,643,491,128,109.44
  5. Step 5: Solve for x
    x = 516,643,491,128,109.44/20,830,923.48
  6. Step 6: Final answer
    x = 24,801,756.47

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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.