Home / 21,800,376.76-30,084,503.39-12,010,820.94

Finding the Fourth Proportional to 21,800,376.76, 30,084,503.39 and 12,010,820.94

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Solution

The fourth proportional to 21,800,376.76, 30,084,503.39 and 12,010,820.94 is: 16,574,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800,376.76 : 30,084,503.39 = 12,010,820.94 : x
  2. Step 2: Convert to fraction form
    21,800,376.76/30,084,503.39 = 12,010,820.94/x
  3. Step 3: Cross multiply
    21,800,376.76x = 30,084,503.39 × 12,010,820.94
  4. Step 4: Simplify right side
    21,800,376.76x = 361,339,583,286,113
  5. Step 5: Solve for x
    x = 361,339,583,286,113/21,800,376.76
  6. Step 6: Final answer
    x = 16,574,923.79

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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.