Home / 30,998,244.24-42,783,498-20,525,799.60

Finding the Fourth Proportional to 30,998,244.24, 42,783,498 and 20,525,799.60

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Solution

The fourth proportional to 30,998,244.24, 42,783,498 and 20,525,799.60 is: 28,329,524.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,998,244.24 : 42,783,498 = 20,525,799.60 : x
  2. Step 2: Convert to fraction form
    30,998,244.24/42,783,498 = 20,525,799.60/x
  3. Step 3: Cross multiply
    30,998,244.24x = 42,783,498 × 20,525,799.60
  4. Step 4: Simplify right side
    30,998,244.24x = 878,165,506,135,000.88
  5. Step 5: Solve for x
    x = 878,165,506,135,000.88/30,998,244.24
  6. Step 6: Final answer
    x = 28,329,524.06

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Double scale
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Similar ratio
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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.