Home / 13,394,039.54-18,483,239.00-7,887,646.58

Finding the Fourth Proportional to 13,394,039.54, 18,483,239.00 and 7,887,646.58

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Solution

The fourth proportional to 13,394,039.54, 18,483,239.00 and 7,887,646.58 is: 10,884,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,039.54 : 18,483,239.00 = 7,887,646.58 : x
  2. Step 2: Convert to fraction form
    13,394,039.54/18,483,239.00 = 7,887,646.58/x
  3. Step 3: Cross multiply
    13,394,039.54x = 18,483,239.00 × 7,887,646.58
  4. Step 4: Simplify right side
    13,394,039.54x = 145,789,256,812,975.56
  5. Step 5: Solve for x
    x = 145,789,256,812,975.56/13,394,039.54
  6. Step 6: Final answer
    x = 10,884,636.89

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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.