Home / 36,311,995.40-54,530,978.70-19,305,883.40

Finding the Fourth Proportional to 36,311,995.40, 54,530,978.70 and 19,305,883.40

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Solution

The fourth proportional to 36,311,995.40, 54,530,978.70 and 19,305,883.40 is: 28,992,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311,995.40 : 54,530,978.70 = 19,305,883.40 : x
  2. Step 2: Convert to fraction form
    36,311,995.40/54,530,978.70 = 19,305,883.40/x
  3. Step 3: Cross multiply
    36,311,995.40x = 54,530,978.70 × 19,305,883.40
  4. Step 4: Simplify right side
    36,311,995.40x = 1,052,768,716,470,083.50
  5. Step 5: Solve for x
    x = 1,052,768,716,470,083.50/36,311,995.40
  6. Step 6: Final answer
    x = 28,992,312.45

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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.