Home / 30,998,059.97-42,783,245.07-20,525,604.98

Finding the Fourth Proportional to 30,998,059.97, 42,783,245.07 and 20,525,604.98

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Solution

The fourth proportional to 30,998,059.97, 42,783,245.07 and 20,525,604.98 is: 28,329,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998,059.97 : 42,783,245.07 = 20,525,604.98 : x
  2. Step 2: Convert to fraction form
    30,998,059.97/42,783,245.07 = 20,525,604.98/x
  3. Step 3: Cross multiply
    30,998,059.97x = 42,783,245.07 × 20,525,604.98
  4. Step 4: Simplify right side
    30,998,059.97x = 878,151,988,069,352.50
  5. Step 5: Solve for x
    x = 878,151,988,069,352.50/30,998,059.97
  6. Step 6: Final answer
    x = 28,329,256.38

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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.