Finding the Fourth Proportional to 38,884,409.20, 58,285,875.42 and 18,117,723.97
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Solution
The fourth proportional to 38,884,409.20, 58,285,875.42 and 18,117,723.97 is: 27,157,604.40
Step by Step Solution
- Step 1: Write the proportion equation
38,884,409.20 : 58,285,875.42 = 18,117,723.97 : x - Step 2: Convert to fraction form
38,884,409.20/58,285,875.42 = 18,117,723.97/x - Step 3: Cross multiply
38,884,409.20x = 58,285,875.42 × 18,117,723.97 - Step 4: Simplify right side
38,884,409.20x = 1,056,007,402,209,367.75 - Step 5: Solve for x
x = 1,056,007,402,209,367.75/38,884,409.20 - Step 6: Final answer
x = 27,157,604.40
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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.