Finding the Fourth Proportional to 12,117,572.70, 18,167,319.45 and 7,324,251.90
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Solution
The fourth proportional to 12,117,572.70, 18,167,319.45 and 7,324,251.90 is: 10,980,914.02
Step by Step Solution
- Step 1: Write the proportion equation
12,117,572.70 : 18,167,319.45 = 7,324,251.90 : x - Step 2: Convert to fraction form
12,117,572.70/18,167,319.45 = 7,324,251.90/x - Step 3: Cross multiply
12,117,572.70x = 18,167,319.45 × 7,324,251.90 - Step 4: Simplify right side
12,117,572.70x = 133,062,023,999,569.45 - Step 5: Solve for x
x = 133,062,023,999,569.45/12,117,572.70 - Step 6: Final answer
x = 10,980,914.02
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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.