Home / 40,465,391.85-55,842,201.26-21,880,487.59

Finding the Fourth Proportional to 40,465,391.85, 55,842,201.26 and 21,880,487.59

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Solution

The fourth proportional to 40,465,391.85, 55,842,201.26 and 21,880,487.59 is: 30,195,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,391.85 : 55,842,201.26 = 21,880,487.59 : x
  2. Step 2: Convert to fraction form
    40,465,391.85/55,842,201.26 = 21,880,487.59/x
  3. Step 3: Cross multiply
    40,465,391.85x = 55,842,201.26 × 21,880,487.59
  4. Step 4: Simplify right side
    40,465,391.85x = 1,221,854,591,388,501.25
  5. Step 5: Solve for x
    x = 1,221,854,591,388,501.25/40,465,391.85
  6. Step 6: Final answer
    x = 30,195,051.51

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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.