Finding the Fourth Proportional to 18,004,550.84, 27,007,986.76 and 6,331,490.28
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Solution
The fourth proportional to 18,004,550.84, 27,007,986.76 and 6,331,490.28 is: 9,497,643.52
Step by Step Solution
- Step 1: Write the proportion equation
18,004,550.84 : 27,007,986.76 = 6,331,490.28 : x - Step 2: Convert to fraction form
18,004,550.84/27,007,986.76 = 6,331,490.28/x - Step 3: Cross multiply
18,004,550.84x = 27,007,986.76 × 6,331,490.28 - Step 4: Simplify right side
18,004,550.84x = 171,000,805,673,094.59 - Step 5: Solve for x
x = 171,000,805,673,094.59/18,004,550.84 - Step 6: Final answer
x = 9,497,643.52
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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.