Finding the Fourth Proportional to 18,513,324.96, 27,787,899.36 and 8,935,445.76
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Solution
The fourth proportional to 18,513,324.96, 27,787,899.36 and 8,935,445.76 is: 13,411,813.82
Step by Step Solution
- Step 1: Write the proportion equation
18,513,324.96 : 27,787,899.36 = 8,935,445.76 : x - Step 2: Convert to fraction form
18,513,324.96/27,787,899.36 = 8,935,445.76/x - Step 3: Cross multiply
18,513,324.96x = 27,787,899.36 × 8,935,445.76 - Step 4: Simplify right side
18,513,324.96x = 248,297,267,515,618.69 - Step 5: Solve for x
x = 248,297,267,515,618.69/18,513,324.96 - Step 6: Final answer
x = 13,411,813.82
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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.