Home / 9,991,081.94-13,786,923.47-5,640,598.26

Finding the Fourth Proportional to 9,991,081.94, 13,786,923.47 and 5,640,598.26

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Solution

The fourth proportional to 9,991,081.94, 13,786,923.47 and 5,640,598.26 is: 7,783,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,081.94 : 13,786,923.47 = 5,640,598.26 : x
  2. Step 2: Convert to fraction form
    9,991,081.94/13,786,923.47 = 5,640,598.26/x
  3. Step 3: Cross multiply
    9,991,081.94x = 13,786,923.47 × 5,640,598.26
  4. Step 4: Simplify right side
    9,991,081.94x = 77,766,496,507,432.17
  5. Step 5: Solve for x
    x = 77,766,496,507,432.17/9,991,081.94
  6. Step 6: Final answer
    x = 7,783,591.11

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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.