Home / 30,998,250.24-42,783,506.28-20,525,805.60

Finding the Fourth Proportional to 30,998,250.24, 42,783,506.28 and 20,525,805.60

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Solution

The fourth proportional to 30,998,250.24, 42,783,506.28 and 20,525,805.60 is: 28,329,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998,250.24 : 42,783,506.28 = 20,525,805.60 : x
  2. Step 2: Convert to fraction form
    30,998,250.24/42,783,506.28 = 20,525,805.60/x
  3. Step 3: Cross multiply
    30,998,250.24x = 42,783,506.28 × 20,525,805.60
  4. Step 4: Simplify right side
    30,998,250.24x = 878,165,932,789,659.25
  5. Step 5: Solve for x
    x = 878,165,932,789,659.25/30,998,250.24
  6. Step 6: Final answer
    x = 28,329,532.34

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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.