Finding the Fourth Proportional to 27,165,098.20, 40,748,908.93 and 8,721,795.81
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Solution
The fourth proportional to 27,165,098.20, 40,748,908.93 and 8,721,795.81 is: 13,083,098.78
Step by Step Solution
- Step 1: Write the proportion equation
27,165,098.20 : 40,748,908.93 = 8,721,795.81 : x - Step 2: Convert to fraction form
27,165,098.20/40,748,908.93 = 8,721,795.81/x - Step 3: Cross multiply
27,165,098.20x = 40,748,908.93 × 8,721,795.81 - Step 4: Simplify right side
27,165,098.20x = 355,403,663,167,745.62 - Step 5: Solve for x
x = 355,403,663,167,745.62/27,165,098.20 - Step 6: Final answer
x = 13,083,098.78
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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.