Home / 36,129,544.56-49,859,514.83-20,448,567.90

Finding the Fourth Proportional to 36,129,544.56, 49,859,514.83 and 20,448,567.90

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Solution

The fourth proportional to 36,129,544.56, 49,859,514.83 and 20,448,567.90 is: 28,219,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129,544.56 : 49,859,514.83 = 20,448,567.90 : x
  2. Step 2: Convert to fraction form
    36,129,544.56/49,859,514.83 = 20,448,567.90/x
  3. Step 3: Cross multiply
    36,129,544.56x = 49,859,514.83 × 20,448,567.90
  4. Step 4: Simplify right side
    36,129,544.56x = 1,019,555,674,360,069.12
  5. Step 5: Solve for x
    x = 1,019,555,674,360,069.12/36,129,544.56
  6. Step 6: Final answer
    x = 28,219,444.41

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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.