Finding the Fourth Proportional to 19,388,019.96, 29,082,768.05 and 7,256,206.08
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Solution
The fourth proportional to 19,388,019.96, 29,082,768.05 and 7,256,206.08 is: 10,884,585.37
Step by Step Solution
- Step 1: Write the proportion equation
19,388,019.96 : 29,082,768.05 = 7,256,206.08 : x - Step 2: Convert to fraction form
19,388,019.96/29,082,768.05 = 7,256,206.08/x - Step 3: Cross multiply
19,388,019.96x = 29,082,768.05 × 7,256,206.08 - Step 4: Simplify right side
19,388,019.96x = 211,030,558,365,780.25 - Step 5: Solve for x
x = 211,030,558,365,780.25/19,388,019.96 - Step 6: Final answer
x = 10,884,585.37
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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.