Home / 9,431,146.50-13,014,982.31-5,138,794.50

Finding the Fourth Proportional to 9,431,146.50, 13,014,982.31 and 5,138,794.50

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Solution

The fourth proportional to 9,431,146.50, 13,014,982.31 and 5,138,794.50 is: 7,091,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,146.50 : 13,014,982.31 = 5,138,794.50 : x
  2. Step 2: Convert to fraction form
    9,431,146.50/13,014,982.31 = 5,138,794.50/x
  3. Step 3: Cross multiply
    9,431,146.50x = 13,014,982.31 × 5,138,794.50
  4. Step 4: Simplify right side
    9,431,146.50x = 66,881,319,512,225.30
  5. Step 5: Solve for x
    x = 66,881,319,512,225.30/9,431,146.50
  6. Step 6: Final answer
    x = 7,091,536.49

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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.