Home / 13,375,968.21-18,458,944.61-7,264,440.45

Finding the Fourth Proportional to 13,375,968.21, 18,458,944.61 and 7,264,440.45

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Solution

The fourth proportional to 13,375,968.21, 18,458,944.61 and 7,264,440.45 is: 10,024,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,968.21 : 18,458,944.61 = 7,264,440.45 : x
  2. Step 2: Convert to fraction form
    13,375,968.21/18,458,944.61 = 7,264,440.45/x
  3. Step 3: Cross multiply
    13,375,968.21x = 18,458,944.61 × 7,264,440.45
  4. Step 4: Simplify right side
    13,375,968.21x = 134,093,903,852,871.28
  5. Step 5: Solve for x
    x = 134,093,903,852,871.28/13,375,968.21
  6. Step 6: Final answer
    x = 10,024,986.73

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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.