Home / 20,164,250.45-27,821,882.70-11,461,738.03

Finding the Fourth Proportional to 20,164,250.45, 27,821,882.70 and 11,461,738.03

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Solution

The fourth proportional to 20,164,250.45, 27,821,882.70 and 11,461,738.03 is: 15,814,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164,250.45 : 27,821,882.70 = 11,461,738.03 : x
  2. Step 2: Convert to fraction form
    20,164,250.45/27,821,882.70 = 11,461,738.03/x
  3. Step 3: Cross multiply
    20,164,250.45x = 27,821,882.70 × 11,461,738.03
  4. Step 4: Simplify right side
    20,164,250.45x = 318,887,130,939,234.38
  5. Step 5: Solve for x
    x = 318,887,130,939,234.38/20,164,250.45
  6. Step 6: Final answer
    x = 15,814,479.77

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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.