Home / 19,004,289.85-28,504,473.22-12,895,494.90

Finding the Fourth Proportional to 19,004,289.85, 28,504,473.22 and 12,895,494.90

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Solution

The fourth proportional to 19,004,289.85, 28,504,473.22 and 12,895,494.90 is: 19,341,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004,289.85 : 28,504,473.22 = 12,895,494.90 : x
  2. Step 2: Convert to fraction form
    19,004,289.85/28,504,473.22 = 12,895,494.90/x
  3. Step 3: Cross multiply
    19,004,289.85x = 28,504,473.22 × 12,895,494.90
  4. Step 4: Simplify right side
    19,004,289.85x = 367,579,289,035,696.56
  5. Step 5: Solve for x
    x = 367,579,289,035,696.56/19,004,289.85
  6. Step 6: Final answer
    x = 19,341,911.32

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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.