Home / 15,325,153.74-21,131,530.67-12,525,589.33

Finding the Fourth Proportional to 15,325,153.74, 21,131,530.67 and 12,525,589.33

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Solution

The fourth proportional to 15,325,153.74, 21,131,530.67 and 12,525,589.33 is: 17,271,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325,153.74 : 21,131,530.67 = 12,525,589.33 : x
  2. Step 2: Convert to fraction form
    15,325,153.74/21,131,530.67 = 12,525,589.33/x
  3. Step 3: Cross multiply
    15,325,153.74x = 21,131,530.67 × 12,525,589.33
  4. Step 4: Simplify right side
    15,325,153.74x = 264,684,875,086,719.78
  5. Step 5: Solve for x
    x = 264,684,875,086,719.78/15,325,153.74
  6. Step 6: Final answer
    x = 17,271,270.46

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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.