Home / 9,153,106.92-12,630,452.66-5,431,296.50

Finding the Fourth Proportional to 9,153,106.92, 12,630,452.66 and 5,431,296.50

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Solution

The fourth proportional to 9,153,106.92, 12,630,452.66 and 5,431,296.50 is: 7,494,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,106.92 : 12,630,452.66 = 5,431,296.50 : x
  2. Step 2: Convert to fraction form
    9,153,106.92/12,630,452.66 = 5,431,296.50/x
  3. Step 3: Cross multiply
    9,153,106.92x = 12,630,452.66 × 5,431,296.50
  4. Step 4: Simplify right side
    9,153,106.92x = 68,599,733,309,552.09
  5. Step 5: Solve for x
    x = 68,599,733,309,552.09/9,153,106.92
  6. Step 6: Final answer
    x = 7,494,693.76

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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.