Home / 13,362,852.96-20,037,747.60-9,321,276.96

Finding the Fourth Proportional to 13,362,852.96, 20,037,747.60 and 9,321,276.96

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Solution

The fourth proportional to 13,362,852.96, 20,037,747.60 and 9,321,276.96 is: 13,977,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,852.96 : 20,037,747.60 = 9,321,276.96 : x
  2. Step 2: Convert to fraction form
    13,362,852.96/20,037,747.60 = 9,321,276.96/x
  3. Step 3: Cross multiply
    13,362,852.96x = 20,037,747.60 × 9,321,276.96
  4. Step 4: Simplify right side
    13,362,852.96x = 186,777,395,034,175.31
  5. Step 5: Solve for x
    x = 186,777,395,034,175.31/13,362,852.96
  6. Step 6: Final answer
    x = 13,977,359.15

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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.