Home / 39,090,477.42-53,944,838.00-21,449,495.83

Finding the Fourth Proportional to 39,090,477.42, 53,944,838.00 and 21,449,495.83

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Solution

The fourth proportional to 39,090,477.42, 53,944,838.00 and 21,449,495.83 is: 29,600,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090,477.42 : 53,944,838.00 = 21,449,495.83 : x
  2. Step 2: Convert to fraction form
    39,090,477.42/53,944,838.00 = 21,449,495.83/x
  3. Step 3: Cross multiply
    39,090,477.42x = 53,944,838.00 × 21,449,495.83
  4. Step 4: Simplify right side
    39,090,477.42x = 1,157,089,577,715,305.25
  5. Step 5: Solve for x
    x = 1,157,089,577,715,305.25/39,090,477.42
  6. Step 6: Final answer
    x = 29,600,292.81

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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.