Home / 28,954,694.78-43,439,393.64-13,403,734.67

Finding the Fourth Proportional to 28,954,694.78, 43,439,393.64 and 13,403,734.67

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Solution

The fourth proportional to 28,954,694.78, 43,439,393.64 and 13,403,734.67 is: 20,109,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,694.78 : 43,439,393.64 = 13,403,734.67 : x
  2. Step 2: Convert to fraction form
    28,954,694.78/43,439,393.64 = 13,403,734.67/x
  3. Step 3: Cross multiply
    28,954,694.78x = 43,439,393.64 × 13,403,734.67
  4. Step 4: Simplify right side
    28,954,694.78x = 582,250,106,359,048.50
  5. Step 5: Solve for x
    x = 582,250,106,359,048.50/28,954,694.78
  6. Step 6: Final answer
    x = 20,109,005.15

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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.