Home / 18,434,390.88-25,444,013.04-11,197,112.16

Finding the Fourth Proportional to 18,434,390.88, 25,444,013.04 and 11,197,112.16

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Solution

The fourth proportional to 18,434,390.88, 25,444,013.04 and 11,197,112.16 is: 15,454,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,390.88 : 25,444,013.04 = 11,197,112.16 : x
  2. Step 2: Convert to fraction form
    18,434,390.88/25,444,013.04 = 11,197,112.16/x
  3. Step 3: Cross multiply
    18,434,390.88x = 25,444,013.04 × 11,197,112.16
  4. Step 4: Simplify right side
    18,434,390.88x = 284,899,467,809,382.56
  5. Step 5: Solve for x
    x = 284,899,467,809,382.56/18,434,390.88
  6. Step 6: Final answer
    x = 15,454,780.67

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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.