Finding the Fourth Proportional to 17,764,815.80, 26,647,223.70 and 6,406,412.60
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Solution
The fourth proportional to 17,764,815.80, 26,647,223.70 and 6,406,412.60 is: 9,609,618.90
Step by Step Solution
- Step 1: Write the proportion equation
17,764,815.80 : 26,647,223.70 = 6,406,412.60 : x - Step 2: Convert to fraction form
17,764,815.80/26,647,223.70 = 6,406,412.60/x - Step 3: Cross multiply
17,764,815.80x = 26,647,223.70 × 6,406,412.60 - Step 4: Simplify right side
17,764,815.80x = 170,713,109,666,698.59 - Step 5: Solve for x
x = 170,713,109,666,698.59/17,764,815.80 - Step 6: Final answer
x = 9,609,618.90
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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.