Home / 20,119,231.20-30,178,846.80-16,009,420.80

Finding the Fourth Proportional to 20,119,231.20, 30,178,846.80 and 16,009,420.80

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Solution

The fourth proportional to 20,119,231.20, 30,178,846.80 and 16,009,420.80 is: 24,014,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,231.20 : 30,178,846.80 = 16,009,420.80 : x
  2. Step 2: Convert to fraction form
    20,119,231.20/30,178,846.80 = 16,009,420.80/x
  3. Step 3: Cross multiply
    20,119,231.20x = 30,178,846.80 × 16,009,420.80
  4. Step 4: Simplify right side
    20,119,231.20x = 483,145,857,679,933.50
  5. Step 5: Solve for x
    x = 483,145,857,679,933.50/20,119,231.20
  6. Step 6: Final answer
    x = 24,014,131.20

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1.5x scale

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.