Finding the Fourth Proportional to 12,212,702.28, 18,320,382.18 and 4,535,446.68
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Solution
The fourth proportional to 12,212,702.28, 18,320,382.18 and 4,535,446.68 is: 6,803,663.48
Step by Step Solution
- Step 1: Write the proportion equation
12,212,702.28 : 18,320,382.18 = 4,535,446.68 : x - Step 2: Convert to fraction form
12,212,702.28/18,320,382.18 = 4,535,446.68/x - Step 3: Cross multiply
12,212,702.28x = 18,320,382.18 × 4,535,446.68 - Step 4: Simplify right side
12,212,702.28x = 83,091,116,534,612.16 - Step 5: Solve for x
x = 83,091,116,534,612.16/12,212,702.28 - Step 6: Final answer
x = 6,803,663.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.