Home / 20,136,920.10-30,221,126.55-9,355,556.85

Finding the Fourth Proportional to 20,136,920.10, 30,221,126.55 and 9,355,556.85

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Solution

The fourth proportional to 20,136,920.10, 30,221,126.55 and 9,355,556.85 is: 14,040,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,920.10 : 30,221,126.55 = 9,355,556.85 : x
  2. Step 2: Convert to fraction form
    20,136,920.10/30,221,126.55 = 9,355,556.85/x
  3. Step 3: Cross multiply
    20,136,920.10x = 30,221,126.55 × 9,355,556.85
  4. Step 4: Simplify right side
    20,136,920.10x = 282,735,467,509,569.38
  5. Step 5: Solve for x
    x = 282,735,467,509,569.38/20,136,920.10
  6. Step 6: Final answer
    x = 14,040,651.01

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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.