Home / 12,074,414.80-18,111,622.20-10,880,021.20

Finding the Fourth Proportional to 12,074,414.80, 18,111,622.20 and 10,880,021.20

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Solution

The fourth proportional to 12,074,414.80, 18,111,622.20 and 10,880,021.20 is: 16,320,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,414.80 : 18,111,622.20 = 10,880,021.20 : x
  2. Step 2: Convert to fraction form
    12,074,414.80/18,111,622.20 = 10,880,021.20/x
  3. Step 3: Cross multiply
    12,074,414.80x = 18,111,622.20 × 10,880,021.20
  4. Step 4: Simplify right side
    12,074,414.80x = 197,054,833,502,390.62
  5. Step 5: Solve for x
    x = 197,054,833,502,390.62/12,074,414.80
  6. Step 6: Final answer
    x = 16,320,031.80

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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.