Home / 20,614,095.20-30,921,142.80-18,630,048.80

Finding the Fourth Proportional to 20,614,095.20, 30,921,142.80 and 18,630,048.80

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Solution

The fourth proportional to 20,614,095.20, 30,921,142.80 and 18,630,048.80 is: 27,945,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,095.20 : 30,921,142.80 = 18,630,048.80 : x
  2. Step 2: Convert to fraction form
    20,614,095.20/30,921,142.80 = 18,630,048.80/x
  3. Step 3: Cross multiply
    20,614,095.20x = 30,921,142.80 × 18,630,048.80
  4. Step 4: Simplify right side
    20,614,095.20x = 576,062,399,315,768.62
  5. Step 5: Solve for x
    x = 576,062,399,315,768.62/20,614,095.20
  6. Step 6: Final answer
    x = 27,945,073.20

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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.