Home / 8,809,835.70-13,211,643.15-3,130,245.30

Finding the Fourth Proportional to 8,809,835.70, 13,211,643.15 and 3,130,245.30

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Solution

The fourth proportional to 8,809,835.70, 13,211,643.15 and 3,130,245.30 is: 4,694,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,835.70 : 13,211,643.15 = 3,130,245.30 : x
  2. Step 2: Convert to fraction form
    8,809,835.70/13,211,643.15 = 3,130,245.30/x
  3. Step 3: Cross multiply
    8,809,835.70x = 13,211,643.15 × 3,130,245.30
  4. Step 4: Simplify right side
    8,809,835.70x = 41,355,683,875,564.70
  5. Step 5: Solve for x
    x = 41,355,683,875,564.70/8,809,835.70
  6. Step 6: Final answer
    x = 4,694,262.79

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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.