Home / 13,355,455.80-20,032,017.30-4,380,007.80

Finding the Fourth Proportional to 13,355,455.80, 20,032,017.30 and 4,380,007.80

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Solution

The fourth proportional to 13,355,455.80, 20,032,017.30 and 4,380,007.80 is: 6,569,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,455.80 : 20,032,017.30 = 4,380,007.80 : x
  2. Step 2: Convert to fraction form
    13,355,455.80/20,032,017.30 = 4,380,007.80/x
  3. Step 3: Cross multiply
    13,355,455.80x = 20,032,017.30 × 4,380,007.80
  4. Step 4: Simplify right side
    13,355,455.80x = 87,740,392,023,734.94
  5. Step 5: Solve for x
    x = 87,740,392,023,734.94/13,355,455.80
  6. Step 6: Final answer
    x = 6,569,629.17

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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.