Home / 12,446,340-18,669,510-2,990,724

Finding the Fourth Proportional to 12,446,340, 18,669,510 and 2,990,724

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Solution

The fourth proportional to 12,446,340, 18,669,510 and 2,990,724 is: 4,486,086

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,340 : 18,669,510 = 2,990,724 : x
  2. Step 2: Convert to fraction form
    12,446,340/18,669,510 = 2,990,724/x
  3. Step 3: Cross multiply
    12,446,340x = 18,669,510 × 2,990,724
  4. Step 4: Simplify right side
    12,446,340x = 55,835,351,625,240
  5. Step 5: Solve for x
    x = 55,835,351,625,240/12,446,340
  6. Step 6: Final answer
    x = 4,486,086

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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.