Finding the Fourth Proportional to 18,384,549.30, 27,527,057.55 and 14,403,237.30
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Solution
The fourth proportional to 18,384,549.30, 27,527,057.55 and 14,403,237.30 is: 21,565,866.84
Step by Step Solution
- Step 1: Write the proportion equation
18,384,549.30 : 27,527,057.55 = 14,403,237.30 : x - Step 2: Convert to fraction form
18,384,549.30/27,527,057.55 = 14,403,237.30/x - Step 3: Cross multiply
18,384,549.30x = 27,527,057.55 × 14,403,237.30 - Step 4: Simplify right side
18,384,549.30x = 396,478,742,063,406.62 - Step 5: Solve for x
x = 396,478,742,063,406.62/18,384,549.30 - Step 6: Final answer
x = 21,565,866.84
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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.