Finding the Fourth Proportional to 8,721,161.94, 12,035,203.49 and 4,854,596.52
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Solution
The fourth proportional to 8,721,161.94, 12,035,203.49 and 4,854,596.52 is: 6,699,343.20
Step by Step Solution
- Step 1: Write the proportion equation
8,721,161.94 : 12,035,203.49 = 4,854,596.52 : x - Step 2: Convert to fraction form
8,721,161.94/12,035,203.49 = 4,854,596.52/x - Step 3: Cross multiply
8,721,161.94x = 12,035,203.49 × 4,854,596.52 - Step 4: Simplify right side
8,721,161.94x = 58,426,056,980,045.85 - Step 5: Solve for x
x = 58,426,056,980,045.85/8,721,161.94 - Step 6: Final answer
x = 6,699,343.20
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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.