Home / 31,500,635.84-43,480,485.38-18,273,155.48

Finding the Fourth Proportional to 31,500,635.84, 43,480,485.38 and 18,273,155.48

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Solution

The fourth proportional to 31,500,635.84, 43,480,485.38 and 18,273,155.48 is: 25,222,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500,635.84 : 43,480,485.38 = 18,273,155.48 : x
  2. Step 2: Convert to fraction form
    31,500,635.84/43,480,485.38 = 18,273,155.48/x
  3. Step 3: Cross multiply
    31,500,635.84x = 43,480,485.38 × 18,273,155.48
  4. Step 4: Simplify right side
    31,500,635.84x = 794,525,669,694,607
  5. Step 5: Solve for x
    x = 794,525,669,694,607/31,500,635.84
  6. Step 6: Final answer
    x = 25,222,528.01

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1.5x scale

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.