Home / 20,222,994.60-30,334,491.90-19,278,210.60

Finding the Fourth Proportional to 20,222,994.60, 30,334,491.90 and 19,278,210.60

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Solution

The fourth proportional to 20,222,994.60, 30,334,491.90 and 19,278,210.60 is: 28,917,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,994.60 : 30,334,491.90 = 19,278,210.60 : x
  2. Step 2: Convert to fraction form
    20,222,994.60/30,334,491.90 = 19,278,210.60/x
  3. Step 3: Cross multiply
    20,222,994.60x = 30,334,491.90 × 19,278,210.60
  4. Step 4: Simplify right side
    20,222,994.60x = 584,794,723,292,194.12
  5. Step 5: Solve for x
    x = 584,794,723,292,194.12/20,222,994.60
  6. Step 6: Final answer
    x = 28,917,315.90

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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.