Home / 9,153,137.22-12,630,494.53-5,431,326.93

Finding the Fourth Proportional to 9,153,137.22, 12,630,494.53 and 5,431,326.93

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Solution

The fourth proportional to 9,153,137.22, 12,630,494.53 and 5,431,326.93 is: 7,494,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,137.22 : 12,630,494.53 = 5,431,326.93 : x
  2. Step 2: Convert to fraction form
    9,153,137.22/12,630,494.53 = 5,431,326.93/x
  3. Step 3: Cross multiply
    9,153,137.22x = 12,630,494.53 × 5,431,326.93
  4. Step 4: Simplify right side
    9,153,137.22x = 68,600,344,989,697.59
  5. Step 5: Solve for x
    x = 68,600,344,989,697.59/9,153,137.22
  6. Step 6: Final answer
    x = 7,494,735.78

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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.