Home / 13,515,390.53-18,651,090.41-7,320,283.25

Finding the Fourth Proportional to 13,515,390.53, 18,651,090.41 and 7,320,283.25

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Solution

The fourth proportional to 13,515,390.53, 18,651,090.41 and 7,320,283.25 is: 10,101,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,390.53 : 18,651,090.41 = 7,320,283.25 : x
  2. Step 2: Convert to fraction form
    13,515,390.53/18,651,090.41 = 7,320,283.25/x
  3. Step 3: Cross multiply
    13,515,390.53x = 18,651,090.41 × 7,320,283.25
  4. Step 4: Simplify right side
    13,515,390.53x = 136,531,264,685,957.22
  5. Step 5: Solve for x
    x = 136,531,264,685,957.22/13,515,390.53
  6. Step 6: Final answer
    x = 10,101,910.44

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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.