Home / 18,111,021.82-24,990,939-12,243,423.10

Finding the Fourth Proportional to 18,111,021.82, 24,990,939 and 12,243,423.10

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Solution

The fourth proportional to 18,111,021.82, 24,990,939 and 12,243,423.10 is: 16,894,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,021.82 : 24,990,939 = 12,243,423.10 : x
  2. Step 2: Convert to fraction form
    18,111,021.82/24,990,939 = 12,243,423.10/x
  3. Step 3: Cross multiply
    18,111,021.82x = 24,990,939 × 12,243,423.10
  4. Step 4: Simplify right side
    18,111,021.82x = 305,974,639,843,290.88
  5. Step 5: Solve for x
    x = 305,974,639,843,290.88/18,111,021.82
  6. Step 6: Final answer
    x = 16,894,388.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.