Finding the Fourth Proportional to 18,497,602.36, 27,749,062.14 and 5,719,103.52
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Solution
The fourth proportional to 18,497,602.36, 27,749,062.14 and 5,719,103.52 is: 8,579,477.27
Step by Step Solution
- Step 1: Write the proportion equation
18,497,602.36 : 27,749,062.14 = 5,719,103.52 : x - Step 2: Convert to fraction form
18,497,602.36/27,749,062.14 = 5,719,103.52/x - Step 3: Cross multiply
18,497,602.36x = 27,749,062.14 × 5,719,103.52 - Step 4: Simplify right side
18,497,602.36x = 158,699,758,961,572.72 - Step 5: Solve for x
x = 158,699,758,961,572.72/18,497,602.36 - Step 6: Final answer
x = 8,579,477.27
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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.