Finding the Fourth Proportional to 29,381,173.48, 40,533,442.29 and 18,348,769.97
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Solution
The fourth proportional to 29,381,173.48, 40,533,442.29 and 18,348,769.97 is: 25,313,448.05
Step by Step Solution
- Step 1: Write the proportion equation
29,381,173.48 : 40,533,442.29 = 18,348,769.97 : x - Step 2: Convert to fraction form
29,381,173.48/40,533,442.29 = 18,348,769.97/x - Step 3: Cross multiply
29,381,173.48x = 40,533,442.29 × 18,348,769.97 - Step 4: Simplify right side
29,381,173.48x = 743,738,808,468,812.75 - Step 5: Solve for x
x = 743,738,808,468,812.75/29,381,173.48 - Step 6: Final answer
x = 25,313,448.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.