Home / 9,431,137.75-13,014,970.23-5,138,785.75

Finding the Fourth Proportional to 9,431,137.75, 13,014,970.23 and 5,138,785.75

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Solution

The fourth proportional to 9,431,137.75, 13,014,970.23 and 5,138,785.75 is: 7,091,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,137.75 : 13,014,970.23 = 5,138,785.75 : x
  2. Step 2: Convert to fraction form
    9,431,137.75/13,014,970.23 = 5,138,785.75/x
  3. Step 3: Cross multiply
    9,431,137.75x = 13,014,970.23 × 5,138,785.75
  4. Step 4: Simplify right side
    9,431,137.75x = 66,881,143,554,598.23
  5. Step 5: Solve for x
    x = 66,881,143,554,598.23/9,431,137.75
  6. Step 6: Final answer
    x = 7,091,524.41

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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.