Home / 8,810,903.12-13,216,355.48-3,131,351.60

Finding the Fourth Proportional to 8,810,903.12, 13,216,355.48 and 3,131,351.60

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Solution

The fourth proportional to 8,810,903.12, 13,216,355.48 and 3,131,351.60 is: 4,697,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810,903.12 : 13,216,355.48 = 3,131,351.60 : x
  2. Step 2: Convert to fraction form
    8,810,903.12/13,216,355.48 = 3,131,351.60/x
  3. Step 3: Cross multiply
    8,810,903.12x = 13,216,355.48 × 3,131,351.60
  4. Step 4: Simplify right side
    8,810,903.12x = 41,385,055,820,213.38
  5. Step 5: Solve for x
    x = 41,385,055,820,213.38/8,810,903.12
  6. Step 6: Final answer
    x = 4,697,027.68

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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.