Home / 30,898,986.20-46,354,008.90-12,949,904.60

Finding the Fourth Proportional to 30,898,986.20, 46,354,008.90 and 12,949,904.60

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Solution

The fourth proportional to 30,898,986.20, 46,354,008.90 and 12,949,904.60 is: 19,427,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898,986.20 : 46,354,008.90 = 12,949,904.60 : x
  2. Step 2: Convert to fraction form
    30,898,986.20/46,354,008.90 = 12,949,904.60/x
  3. Step 3: Cross multiply
    30,898,986.20x = 46,354,008.90 × 12,949,904.60
  4. Step 4: Simplify right side
    30,898,986.20x = 600,279,993,082,550.88
  5. Step 5: Solve for x
    x = 600,279,993,082,550.88/30,898,986.20
  6. Step 6: Final answer
    x = 19,427,174.38

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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.