Finding the Fourth Proportional to 6,971,849.36, 10,425,668.86 and 6,631,727.12
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Solution
The fourth proportional to 6,971,849.36, 10,425,668.86 and 6,631,727.12 is: 9,917,051.75
Step by Step Solution
- Step 1: Write the proportion equation
6,971,849.36 : 10,425,668.86 = 6,631,727.12 : x - Step 2: Convert to fraction form
6,971,849.36/10,425,668.86 = 6,631,727.12/x - Step 3: Cross multiply
6,971,849.36x = 10,425,668.86 × 6,631,727.12 - Step 4: Simplify right side
6,971,849.36x = 69,140,190,918,259.06 - Step 5: Solve for x
x = 69,140,190,918,259.06/6,971,849.36 - Step 6: Final answer
x = 9,917,051.75
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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.