Finding the Fourth Proportional to 18,323,887.08, 27,479,727.37 and 7,391,253.09
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Solution
The fourth proportional to 18,323,887.08, 27,479,727.37 and 7,391,253.09 is: 11,084,417.78
Step by Step Solution
- Step 1: Write the proportion equation
18,323,887.08 : 27,479,727.37 = 7,391,253.09 : x - Step 2: Convert to fraction form
18,323,887.08/27,479,727.37 = 7,391,253.09/x - Step 3: Cross multiply
18,323,887.08x = 27,479,727.37 × 7,391,253.09 - Step 4: Simplify right side
18,323,887.08x = 203,109,619,835,870.06 - Step 5: Solve for x
x = 203,109,619,835,870.06/18,323,887.08 - Step 6: Final answer
x = 11,084,417.78
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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.