Finding the Fourth Proportional to 7,767,616.48, 11,651,407.68 and 2,087,840.80
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Solution
The fourth proportional to 7,767,616.48, 11,651,407.68 and 2,087,840.80 is: 3,131,756.62
Step by Step Solution
- Step 1: Write the proportion equation
7,767,616.48 : 11,651,407.68 = 2,087,840.80 : x - Step 2: Convert to fraction form
7,767,616.48/11,651,407.68 = 2,087,840.80/x - Step 3: Cross multiply
7,767,616.48x = 11,651,407.68 × 2,087,840.80 - Step 4: Simplify right side
7,767,616.48x = 24,326,284,331,737.34 - Step 5: Solve for x
x = 24,326,284,331,737.34/7,767,616.48 - Step 6: Final answer
x = 3,131,756.62
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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.