Finding the Fourth Proportional to 7,999,232.18, 11,038,861.62 and 4,328,068.19
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Solution
The fourth proportional to 7,999,232.18, 11,038,861.62 and 4,328,068.19 is: 5,972,691.47
Step by Step Solution
- Step 1: Write the proportion equation
7,999,232.18 : 11,038,861.62 = 4,328,068.19 : x - Step 2: Convert to fraction form
7,999,232.18/11,038,861.62 = 4,328,068.19/x - Step 3: Cross multiply
7,999,232.18x = 11,038,861.62 × 4,328,068.19 - Step 4: Simplify right side
7,999,232.18x = 47,776,945,776,139.55 - Step 5: Solve for x
x = 47,776,945,776,139.55/7,999,232.18 - Step 6: Final answer
x = 5,972,691.47
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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.