Home / 12,214,551.20-18,321,826.80-3,240,010.40

Finding the Fourth Proportional to 12,214,551.20, 18,321,826.80 and 3,240,010.40

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Solution

The fourth proportional to 12,214,551.20, 18,321,826.80 and 3,240,010.40 is: 4,860,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,551.20 : 18,321,826.80 = 3,240,010.40 : x
  2. Step 2: Convert to fraction form
    12,214,551.20/18,321,826.80 = 3,240,010.40/x
  3. Step 3: Cross multiply
    12,214,551.20x = 18,321,826.80 × 3,240,010.40
  4. Step 4: Simplify right side
    12,214,551.20x = 59,362,909,378,998.72
  5. Step 5: Solve for x
    x = 59,362,909,378,998.72/12,214,551.20
  6. Step 6: Final answer
    x = 4,860,015.60

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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.