Home / 13,369,525.47-18,450,387.36-7,568,187.21

Finding the Fourth Proportional to 13,369,525.47, 18,450,387.36 and 7,568,187.21

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Solution

The fourth proportional to 13,369,525.47, 18,450,387.36 and 7,568,187.21 is: 10,444,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,525.47 : 18,450,387.36 = 7,568,187.21 : x
  2. Step 2: Convert to fraction form
    13,369,525.47/18,450,387.36 = 7,568,187.21/x
  3. Step 3: Cross multiply
    13,369,525.47x = 18,450,387.36 × 7,568,187.21
  4. Step 4: Simplify right side
    13,369,525.47x = 139,635,985,637,497.66
  5. Step 5: Solve for x
    x = 139,635,985,637,497.66/13,369,525.47
  6. Step 6: Final answer
    x = 10,444,348.68

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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.