Finding the Fourth Proportional to 18,497,588.63, 27,749,041.52 and 5,719,089.78
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Solution
The fourth proportional to 18,497,588.63, 27,749,041.52 and 5,719,089.78 is: 8,579,456.65
Step by Step Solution
- Step 1: Write the proportion equation
18,497,588.63 : 27,749,041.52 = 5,719,089.78 : x - Step 2: Convert to fraction form
18,497,588.63/27,749,041.52 = 5,719,089.78/x - Step 3: Cross multiply
18,497,588.63x = 27,749,041.52 × 5,719,089.78 - Step 4: Simplify right side
18,497,588.63x = 158,699,259,733,232.22 - Step 5: Solve for x
x = 158,699,259,733,232.22/18,497,588.63 - Step 6: Final answer
x = 8,579,456.65
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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.