Home / 8,809,807.20-13,211,600.40-3,130,216.80

Finding the Fourth Proportional to 8,809,807.20, 13,211,600.40 and 3,130,216.80

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Solution

The fourth proportional to 8,809,807.20, 13,211,600.40 and 3,130,216.80 is: 4,694,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,807.20 : 13,211,600.40 = 3,130,216.80 : x
  2. Step 2: Convert to fraction form
    8,809,807.20/13,211,600.40 = 3,130,216.80/x
  3. Step 3: Cross multiply
    8,809,807.20x = 13,211,600.40 × 3,130,216.80
  4. Step 4: Simplify right side
    8,809,807.20x = 41,355,173,526,966.72
  5. Step 5: Solve for x
    x = 41,355,173,526,966.72/8,809,807.20
  6. Step 6: Final answer
    x = 4,694,220.04

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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.