Home / 41,267,871.25-56,889,640.47-28,839,378.67

Finding the Fourth Proportional to 41,267,871.25, 56,889,640.47 and 28,839,378.67

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Solution

The fourth proportional to 41,267,871.25, 56,889,640.47 and 28,839,378.67 is: 39,756,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,267,871.25 : 56,889,640.47 = 28,839,378.67 : x
  2. Step 2: Convert to fraction form
    41,267,871.25/56,889,640.47 = 28,839,378.67/x
  3. Step 3: Cross multiply
    41,267,871.25x = 56,889,640.47 × 28,839,378.67
  4. Step 4: Simplify right side
    41,267,871.25x = 1,640,661,883,914,486.75
  5. Step 5: Solve for x
    x = 1,640,661,883,914,486.75/41,267,871.25
  6. Step 6: Final answer
    x = 39,756,397.27

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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.