Home / 20,154,015.70-30,262,516.35-11,650,959.70

Finding the Fourth Proportional to 20,154,015.70, 30,262,516.35 and 11,650,959.70

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Solution

The fourth proportional to 20,154,015.70, 30,262,516.35 and 11,650,959.70 is: 17,494,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,015.70 : 30,262,516.35 = 11,650,959.70 : x
  2. Step 2: Convert to fraction form
    20,154,015.70/30,262,516.35 = 11,650,959.70/x
  3. Step 3: Cross multiply
    20,154,015.70x = 30,262,516.35 × 11,650,959.70
  4. Step 4: Simplify right side
    20,154,015.70x = 352,587,358,414,441.06
  5. Step 5: Solve for x
    x = 352,587,358,414,441.06/20,154,015.70
  6. Step 6: Final answer
    x = 17,494,645.42

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1.5x scale

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.