Finding the Fourth Proportional to 18,155,501.22, 27,233,116.16 and 5,201,662.94
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Solution
The fourth proportional to 18,155,501.22, 27,233,116.16 and 5,201,662.94 is: 7,802,455.53
Step by Step Solution
- Step 1: Write the proportion equation
18,155,501.22 : 27,233,116.16 = 5,201,662.94 : x - Step 2: Convert to fraction form
18,155,501.22/27,233,116.16 = 5,201,662.94/x - Step 3: Cross multiply
18,155,501.22x = 27,233,116.16 × 5,201,662.94 - Step 4: Simplify right side
18,155,501.22x = 141,657,490,908,013.22 - Step 5: Solve for x
x = 141,657,490,908,013.22/18,155,501.22 - Step 6: Final answer
x = 7,802,455.53
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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.