Home / 8,685,347.88-13,028,115.36-2,620,132.16

Finding the Fourth Proportional to 8,685,347.88, 13,028,115.36 and 2,620,132.16

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Solution

The fourth proportional to 8,685,347.88, 13,028,115.36 and 2,620,132.16 is: 3,930,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,347.88 : 13,028,115.36 = 2,620,132.16 : x
  2. Step 2: Convert to fraction form
    8,685,347.88/13,028,115.36 = 2,620,132.16/x
  3. Step 3: Cross multiply
    8,685,347.88x = 13,028,115.36 × 2,620,132.16
  4. Step 4: Simplify right side
    8,685,347.88x = 34,135,383,973,785.40
  5. Step 5: Solve for x
    x = 34,135,383,973,785.40/8,685,347.88
  6. Step 6: Final answer
    x = 3,930,226.45

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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.