Home / 13,355,535.96-20,033,649-3,640,228.83

Finding the Fourth Proportional to 13,355,535.96, 20,033,649 and 3,640,228.83

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Solution

The fourth proportional to 13,355,535.96, 20,033,649 and 3,640,228.83 is: 5,460,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,535.96 : 20,033,649 = 3,640,228.83 : x
  2. Step 2: Convert to fraction form
    13,355,535.96/20,033,649 = 3,640,228.83/x
  3. Step 3: Cross multiply
    13,355,535.96x = 20,033,649 × 3,640,228.83
  4. Step 4: Simplify right side
    13,355,535.96x = 72,927,066,659,900.67
  5. Step 5: Solve for x
    x = 72,927,066,659,900.67/13,355,535.96
  6. Step 6: Final answer
    x = 5,460,437.30

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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.