Home / 20,036,020.55-27,649,717.32-11,334,007.67

Finding the Fourth Proportional to 20,036,020.55, 27,649,717.32 and 11,334,007.67

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Solution

The fourth proportional to 20,036,020.55, 27,649,717.32 and 11,334,007.67 is: 15,640,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,020.55 : 27,649,717.32 = 11,334,007.67 : x
  2. Step 2: Convert to fraction form
    20,036,020.55/27,649,717.32 = 11,334,007.67/x
  3. Step 3: Cross multiply
    20,036,020.55x = 27,649,717.32 × 11,334,007.67
  4. Step 4: Simplify right side
    20,036,020.55x = 313,382,108,178,211.88
  5. Step 5: Solve for x
    x = 313,382,108,178,211.88/20,036,020.55
  6. Step 6: Final answer
    x = 15,640,935.65

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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.