Home / 9,153,127.67-12,630,481.28-5,431,317.26

Finding the Fourth Proportional to 9,153,127.67, 12,630,481.28 and 5,431,317.26

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Solution

The fourth proportional to 9,153,127.67, 12,630,481.28 and 5,431,317.26 is: 7,494,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,127.67 : 12,630,481.28 = 5,431,317.26 : x
  2. Step 2: Convert to fraction form
    9,153,127.67/12,630,481.28 = 5,431,317.26/x
  3. Step 3: Cross multiply
    9,153,127.67x = 12,630,481.28 × 5,431,317.26
  4. Step 4: Simplify right side
    9,153,127.67x = 68,600,150,978,170.88
  5. Step 5: Solve for x
    x = 68,600,150,978,170.88/9,153,127.67
  6. Step 6: Final answer
    x = 7,494,722.40

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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.