Finding the Fourth Proportional to 18,166,349.86, 27,240,552.42 and 6,643,130.69
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Solution
The fourth proportional to 18,166,349.86, 27,240,552.42 and 6,643,130.69 is: 9,961,414.99
Step by Step Solution
- Step 1: Write the proportion equation
18,166,349.86 : 27,240,552.42 = 6,643,130.69 : x - Step 2: Convert to fraction form
18,166,349.86/27,240,552.42 = 6,643,130.69/x - Step 3: Cross multiply
18,166,349.86x = 27,240,552.42 × 6,643,130.69 - Step 4: Simplify right side
18,166,349.86x = 180,962,549,837,045.41 - Step 5: Solve for x
x = 180,962,549,837,045.41/18,166,349.86 - Step 6: Final answer
x = 9,961,414.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.