Finding the Fourth Proportional to 18,090,008.40, 27,127,139.40 and 5,954,782.80
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Solution
The fourth proportional to 18,090,008.40, 27,127,139.40 and 5,954,782.80 is: 8,929,582.54
Step by Step Solution
- Step 1: Write the proportion equation
18,090,008.40 : 27,127,139.40 = 5,954,782.80 : x - Step 2: Convert to fraction form
18,090,008.40/27,127,139.40 = 5,954,782.80/x - Step 3: Cross multiply
18,090,008.40x = 27,127,139.40 × 5,954,782.80 - Step 4: Simplify right side
18,090,008.40x = 161,536,223,112,322.31 - Step 5: Solve for x
x = 161,536,223,112,322.31/18,090,008.40 - Step 6: Final answer
x = 8,929,582.54
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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.