Home / 19,043,131.19-28,364,035.88-18,644,550.44

Finding the Fourth Proportional to 19,043,131.19, 28,364,035.88 and 18,644,550.44

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Solution

The fourth proportional to 19,043,131.19, 28,364,035.88 and 18,644,550.44 is: 27,770,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,131.19 : 28,364,035.88 = 18,644,550.44 : x
  2. Step 2: Convert to fraction form
    19,043,131.19/28,364,035.88 = 18,644,550.44/x
  3. Step 3: Cross multiply
    19,043,131.19x = 28,364,035.88 × 18,644,550.44
  4. Step 4: Simplify right side
    19,043,131.19x = 528,834,697,551,420.94
  5. Step 5: Solve for x
    x = 528,834,697,551,420.94/19,043,131.19
  6. Step 6: Final answer
    x = 27,770,364.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.