Home / 57,003,533.48-85,505,309.09-13,872,736.68

Finding the Fourth Proportional to 57,003,533.48, 85,505,309.09 and 13,872,736.68

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Solution

The fourth proportional to 57,003,533.48, 85,505,309.09 and 13,872,736.68 is: 20,809,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003,533.48 : 85,505,309.09 = 13,872,736.68 : x
  2. Step 2: Convert to fraction form
    57,003,533.48/85,505,309.09 = 13,872,736.68/x
  3. Step 3: Cross multiply
    57,003,533.48x = 85,505,309.09 × 13,872,736.68
  4. Step 4: Simplify right side
    57,003,533.48x = 1,186,192,637,747,580.50
  5. Step 5: Solve for x
    x = 1,186,192,637,747,580.50/57,003,533.48
  6. Step 6: Final answer
    x = 20,809,107.18

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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.