Home / 12,082,982.36-18,126,172.37-3,882,875.40

Finding the Fourth Proportional to 12,082,982.36, 18,126,172.37 and 3,882,875.40

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Solution

The fourth proportional to 12,082,982.36, 18,126,172.37 and 3,882,875.40 is: 5,824,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,982.36 : 18,126,172.37 = 3,882,875.40 : x
  2. Step 2: Convert to fraction form
    12,082,982.36/18,126,172.37 = 3,882,875.40/x
  3. Step 3: Cross multiply
    12,082,982.36x = 18,126,172.37 × 3,882,875.40
  4. Step 4: Simplify right side
    12,082,982.36x = 70,381,668,801,339.88
  5. Step 5: Solve for x
    x = 70,381,668,801,339.88/12,082,982.36
  6. Step 6: Final answer
    x = 5,824,859.02

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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.