Finding the Fourth Proportional to 14,179,207.19, 19,567,206.20 and 7,740,679.19
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Solution
The fourth proportional to 14,179,207.19, 19,567,206.20 and 7,740,679.19 is: 10,682,082.84
Step by Step Solution
- Step 1: Write the proportion equation
14,179,207.19 : 19,567,206.20 = 7,740,679.19 : x - Step 2: Convert to fraction form
14,179,207.19/19,567,206.20 = 7,740,679.19/x - Step 3: Cross multiply
14,179,207.19x = 19,567,206.20 × 7,740,679.19 - Step 4: Simplify right side
14,179,207.19x = 151,463,465,760,294.66 - Step 5: Solve for x
x = 151,463,465,760,294.66/14,179,207.19 - Step 6: Final answer
x = 10,682,082.84
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1.5x scale
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.