Home / 5,143,830.50-7,095,232.51-3,305,128.43

Finding the Fourth Proportional to 5,143,830.50, 7,095,232.51 and 3,305,128.43

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Solution

The fourth proportional to 5,143,830.50, 7,095,232.51 and 3,305,128.43 is: 4,558,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,830.50 : 7,095,232.51 = 3,305,128.43 : x
  2. Step 2: Convert to fraction form
    5,143,830.50/7,095,232.51 = 3,305,128.43/x
  3. Step 3: Cross multiply
    5,143,830.50x = 7,095,232.51 × 3,305,128.43
  4. Step 4: Simplify right side
    5,143,830.50x = 23,450,654,642,522.27
  5. Step 5: Solve for x
    x = 23,450,654,642,522.27/5,143,830.50
  6. Step 6: Final answer
    x = 4,558,986.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.