Home / 7,383,619.60-11,075,429.40-5,242,109.20

Finding the Fourth Proportional to 7,383,619.60, 11,075,429.40 and 5,242,109.20

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Solution

The fourth proportional to 7,383,619.60, 11,075,429.40 and 5,242,109.20 is: 7,863,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,619.60 : 11,075,429.40 = 5,242,109.20 : x
  2. Step 2: Convert to fraction form
    7,383,619.60/11,075,429.40 = 5,242,109.20/x
  3. Step 3: Cross multiply
    7,383,619.60x = 11,075,429.40 × 5,242,109.20
  4. Step 4: Simplify right side
    7,383,619.60x = 58,058,610,351,690.48
  5. Step 5: Solve for x
    x = 58,058,610,351,690.48/7,383,619.60
  6. Step 6: Final answer
    x = 7,863,163.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.