Finding the Fourth Proportional to 7,838,941.20, 11,755,379.16 and 3,045,999.48
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Solution
The fourth proportional to 7,838,941.20, 11,755,379.16 and 3,045,999.48 is: 4,567,820.82
Step by Step Solution
- Step 1: Write the proportion equation
7,838,941.20 : 11,755,379.16 = 3,045,999.48 : x - Step 2: Convert to fraction form
7,838,941.20/11,755,379.16 = 3,045,999.48/x - Step 3: Cross multiply
7,838,941.20x = 11,755,379.16 × 3,045,999.48 - Step 4: Simplify right side
7,838,941.20x = 35,806,878,808,562.84 - Step 5: Solve for x
x = 35,806,878,808,562.84/7,838,941.20 - Step 6: Final answer
x = 4,567,820.82
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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.