Finding the Fourth Proportional to 18,416,669.56, 27,627,525.42 and 6,282,875.20
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Solution
The fourth proportional to 18,416,669.56, 27,627,525.42 and 6,282,875.20 is: 9,425,172.87
Step by Step Solution
- Step 1: Write the proportion equation
18,416,669.56 : 27,627,525.42 = 6,282,875.20 : x - Step 2: Convert to fraction form
18,416,669.56/27,627,525.42 = 6,282,875.20/x - Step 3: Cross multiply
18,416,669.56x = 27,627,525.42 × 6,282,875.20 - Step 4: Simplify right side
18,416,669.56x = 173,580,294,298,687.59 - Step 5: Solve for x
x = 173,580,294,298,687.59/18,416,669.56 - Step 6: Final answer
x = 9,425,172.87
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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.