Home / 8,801,431.20-13,208,051.70-5,203,378.80

Finding the Fourth Proportional to 8,801,431.20, 13,208,051.70 and 5,203,378.80

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Solution

The fourth proportional to 8,801,431.20, 13,208,051.70 and 5,203,378.80 is: 7,808,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801,431.20 : 13,208,051.70 = 5,203,378.80 : x
  2. Step 2: Convert to fraction form
    8,801,431.20/13,208,051.70 = 5,203,378.80/x
  3. Step 3: Cross multiply
    8,801,431.20x = 13,208,051.70 × 5,203,378.80
  4. Step 4: Simplify right side
    8,801,431.20x = 68,726,496,205,083.95
  5. Step 5: Solve for x
    x = 68,726,496,205,083.95/8,801,431.20
  6. Step 6: Final answer
    x = 7,808,559.16

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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.