Home / 31,157,825.36-46,736,755.32-20,384,177.36

Finding the Fourth Proportional to 31,157,825.36, 46,736,755.32 and 20,384,177.36

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Solution

The fourth proportional to 31,157,825.36, 46,736,755.32 and 20,384,177.36 is: 30,576,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,157,825.36 : 46,736,755.32 = 20,384,177.36 : x
  2. Step 2: Convert to fraction form
    31,157,825.36/46,736,755.32 = 20,384,177.36/x
  3. Step 3: Cross multiply
    31,157,825.36x = 46,736,755.32 × 20,384,177.36
  4. Step 4: Simplify right side
    31,157,825.36x = 952,690,309,673,803.50
  5. Step 5: Solve for x
    x = 952,690,309,673,803.50/31,157,825.36
  6. Step 6: Final answer
    x = 30,576,277.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.