Home / 52,505,388.69-72,457,449.53-28,983,939.09

Finding the Fourth Proportional to 52,505,388.69, 72,457,449.53 and 28,983,939.09

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Solution

The fourth proportional to 52,505,388.69, 72,457,449.53 and 28,983,939.09 is: 39,997,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,505,388.69 : 72,457,449.53 = 28,983,939.09 : x
  2. Step 2: Convert to fraction form
    52,505,388.69/72,457,449.53 = 28,983,939.09/x
  3. Step 3: Cross multiply
    52,505,388.69x = 72,457,449.53 × 28,983,939.09
  4. Step 4: Simplify right side
    52,505,388.69x = 2,100,102,303,649,349.50
  5. Step 5: Solve for x
    x = 2,100,102,303,649,349.50/52,505,388.69
  6. Step 6: Final answer
    x = 39,997,843.19

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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.