Home / 9,364,440.36-12,923,976.78-5,290,321.80

Finding the Fourth Proportional to 9,364,440.36, 12,923,976.78 and 5,290,321.80

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Solution

The fourth proportional to 9,364,440.36, 12,923,976.78 and 5,290,321.80 is: 7,301,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364,440.36 : 12,923,976.78 = 5,290,321.80 : x
  2. Step 2: Convert to fraction form
    9,364,440.36/12,923,976.78 = 5,290,321.80/x
  3. Step 3: Cross multiply
    9,364,440.36x = 12,923,976.78 × 5,290,321.80
  4. Step 4: Simplify right side
    9,364,440.36x = 68,371,996,101,927.80
  5. Step 5: Solve for x
    x = 68,371,996,101,927.80/9,364,440.36
  6. Step 6: Final answer
    x = 7,301,236.75

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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.