Home / 20,019,012.58-27,626,030.32-11,198,349.10

Finding the Fourth Proportional to 20,019,012.58, 27,626,030.32 and 11,198,349.10

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Solution

The fourth proportional to 20,019,012.58, 27,626,030.32 and 11,198,349.10 is: 15,453,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,012.58 : 27,626,030.32 = 11,198,349.10 : x
  2. Step 2: Convert to fraction form
    20,019,012.58/27,626,030.32 = 11,198,349.10/x
  3. Step 3: Cross multiply
    20,019,012.58x = 27,626,030.32 × 11,198,349.10
  4. Step 4: Simplify right side
    20,019,012.58x = 309,365,931,770,544.69
  5. Step 5: Solve for x
    x = 309,365,931,770,544.69/20,019,012.58
  6. Step 6: Final answer
    x = 15,453,605.94

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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.