Finding the Fourth Proportional to 27,382,271.40, 37,786,095.99 and 14,989,989.87
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Solution
The fourth proportional to 27,382,271.40, 37,786,095.99 and 14,989,989.87 is: 20,685,398.51
Step by Step Solution
- Step 1: Write the proportion equation
27,382,271.40 : 37,786,095.99 = 14,989,989.87 : x - Step 2: Convert to fraction form
27,382,271.40/37,786,095.99 = 14,989,989.87/x - Step 3: Cross multiply
27,382,271.40x = 37,786,095.99 × 14,989,989.87 - Step 4: Simplify right side
27,382,271.40x = 566,413,196,116,947.62 - Step 5: Solve for x
x = 566,413,196,116,947.62/27,382,271.40 - Step 6: Final answer
x = 20,685,398.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.