Home / 30,059,889.84-41,457,061.44-20,914,380.72

Finding the Fourth Proportional to 30,059,889.84, 41,457,061.44 and 20,914,380.72

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Solution

The fourth proportional to 30,059,889.84, 41,457,061.44 and 20,914,380.72 is: 28,844,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059,889.84 : 41,457,061.44 = 20,914,380.72 : x
  2. Step 2: Convert to fraction form
    30,059,889.84/41,457,061.44 = 20,914,380.72/x
  3. Step 3: Cross multiply
    30,059,889.84x = 41,457,061.44 × 20,914,380.72
  4. Step 4: Simplify right side
    30,059,889.84x = 867,048,766,488,591.38
  5. Step 5: Solve for x
    x = 867,048,766,488,591.38/30,059,889.84
  6. Step 6: Final answer
    x = 28,844,043.38

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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.