Finding the Fourth Proportional to 7,794,476.86, 11,694,985.08 and 3,473,550.36
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Solution
The fourth proportional to 7,794,476.86, 11,694,985.08 and 3,473,550.36 is: 5,211,782.70
Step by Step Solution
- Step 1: Write the proportion equation
7,794,476.86 : 11,694,985.08 = 3,473,550.36 : x - Step 2: Convert to fraction form
7,794,476.86/11,694,985.08 = 3,473,550.36/x - Step 3: Cross multiply
7,794,476.86x = 11,694,985.08 × 3,473,550.36 - Step 4: Simplify right side
7,794,476.86x = 40,623,119,634,828.62 - Step 5: Solve for x
x = 40,623,119,634,828.62/7,794,476.86 - Step 6: Final answer
x = 5,211,782.70
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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.