Home / 18,636,923.07-25,720,012.42-11,196,860.85

Finding the Fourth Proportional to 18,636,923.07, 25,720,012.42 and 11,196,860.85

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Solution

The fourth proportional to 18,636,923.07, 25,720,012.42 and 11,196,860.85 is: 15,452,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,923.07 : 25,720,012.42 = 11,196,860.85 : x
  2. Step 2: Convert to fraction form
    18,636,923.07/25,720,012.42 = 11,196,860.85/x
  3. Step 3: Cross multiply
    18,636,923.07x = 25,720,012.42 × 11,196,860.85
  4. Step 4: Simplify right side
    18,636,923.07x = 287,983,400,099,019.62
  5. Step 5: Solve for x
    x = 287,983,400,099,019.62/18,636,923.07
  6. Step 6: Final answer
    x = 15,452,303.96

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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.