Home / 9,760,742.80-13,470,321.48-5,629,237.84

Finding the Fourth Proportional to 9,760,742.80, 13,470,321.48 and 5,629,237.84

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Solution

The fourth proportional to 9,760,742.80, 13,470,321.48 and 5,629,237.84 is: 7,768,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760,742.80 : 13,470,321.48 = 5,629,237.84 : x
  2. Step 2: Convert to fraction form
    9,760,742.80/13,470,321.48 = 5,629,237.84/x
  3. Step 3: Cross multiply
    9,760,742.80x = 13,470,321.48 × 5,629,237.84
  4. Step 4: Simplify right side
    9,760,742.80x = 75,827,643,392,180.80
  5. Step 5: Solve for x
    x = 75,827,643,392,180.80/9,760,742.80
  6. Step 6: Final answer
    x = 7,768,634.51

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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.