Home / 18,756,074.70-28,134,112.05-11,197,802.70

Finding the Fourth Proportional to 18,756,074.70, 28,134,112.05 and 11,197,802.70

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Solution

The fourth proportional to 18,756,074.70, 28,134,112.05 and 11,197,802.70 is: 16,796,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,074.70 : 28,134,112.05 = 11,197,802.70 : x
  2. Step 2: Convert to fraction form
    18,756,074.70/28,134,112.05 = 11,197,802.70/x
  3. Step 3: Cross multiply
    18,756,074.70x = 28,134,112.05 × 11,197,802.70
  4. Step 4: Simplify right side
    18,756,074.70x = 315,040,235,875,592.50
  5. Step 5: Solve for x
    x = 315,040,235,875,592.50/18,756,074.70
  6. Step 6: Final answer
    x = 16,796,704.05

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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.