Home / 41,938,401.78-57,825,473.10-28,713,991.47

Finding the Fourth Proportional to 41,938,401.78, 57,825,473.10 and 28,713,991.47

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Solution

The fourth proportional to 41,938,401.78, 57,825,473.10 and 28,713,991.47 is: 39,591,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,938,401.78 : 57,825,473.10 = 28,713,991.47 : x
  2. Step 2: Convert to fraction form
    41,938,401.78/57,825,473.10 = 28,713,991.47/x
  3. Step 3: Cross multiply
    41,938,401.78x = 57,825,473.10 × 28,713,991.47
  4. Step 4: Simplify right side
    41,938,401.78x = 1,660,400,141,342,114.50
  5. Step 5: Solve for x
    x = 1,660,400,141,342,114.50/41,938,401.78
  6. Step 6: Final answer
    x = 39,591,402.41

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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.