Home / 14,378,941.80-21,568,412.70-13,203,210.60

Finding the Fourth Proportional to 14,378,941.80, 21,568,412.70 and 13,203,210.60

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Solution

The fourth proportional to 14,378,941.80, 21,568,412.70 and 13,203,210.60 is: 19,804,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378,941.80 : 21,568,412.70 = 13,203,210.60 : x
  2. Step 2: Convert to fraction form
    14,378,941.80/21,568,412.70 = 13,203,210.60/x
  3. Step 3: Cross multiply
    14,378,941.80x = 21,568,412.70 × 13,203,210.60
  4. Step 4: Simplify right side
    14,378,941.80x = 284,772,295,185,814.62
  5. Step 5: Solve for x
    x = 284,772,295,185,814.62/14,378,941.80
  6. Step 6: Final answer
    x = 19,804,815.90

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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.