Finding the Fourth Proportional to 18,346,682.70, 27,519,914.70 and 4,699,802.70
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Solution
The fourth proportional to 18,346,682.70, 27,519,914.70 and 4,699,802.70 is: 7,049,676.04
Step by Step Solution
- Step 1: Write the proportion equation
18,346,682.70 : 27,519,914.70 = 4,699,802.70 : x - Step 2: Convert to fraction form
18,346,682.70/27,519,914.70 = 4,699,802.70/x - Step 3: Cross multiply
18,346,682.70x = 27,519,914.70 × 4,699,802.70 - Step 4: Simplify right side
18,346,682.70x = 129,338,169,410,829.69 - Step 5: Solve for x
x = 129,338,169,410,829.69/18,346,682.70 - Step 6: Final answer
x = 7,049,676.04
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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.