Home / 30,207,374.20-45,236,411.70-20,055,028.60

Finding the Fourth Proportional to 30,207,374.20, 45,236,411.70 and 20,055,028.60

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Solution

The fourth proportional to 30,207,374.20, 45,236,411.70 and 20,055,028.60 is: 30,032,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207,374.20 : 45,236,411.70 = 20,055,028.60 : x
  2. Step 2: Convert to fraction form
    30,207,374.20/45,236,411.70 = 20,055,028.60/x
  3. Step 3: Cross multiply
    30,207,374.20x = 45,236,411.70 × 20,055,028.60
  4. Step 4: Simplify right side
    30,207,374.20x = 907,217,530,404,874.75
  5. Step 5: Solve for x
    x = 907,217,530,404,874.75/30,207,374.20
  6. Step 6: Final answer
    x = 30,032,982.16

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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.