Finding the Fourth Proportional to 19,047,403.19, 26,284,969.34 and 11,207,423.23
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Solution
The fourth proportional to 19,047,403.19, 26,284,969.34 and 11,207,423.23 is: 15,465,981.00
Step by Step Solution
- Step 1: Write the proportion equation
19,047,403.19 : 26,284,969.34 = 11,207,423.23 : x - Step 2: Convert to fraction form
19,047,403.19/26,284,969.34 = 11,207,423.23/x - Step 3: Cross multiply
19,047,403.19x = 26,284,969.34 × 11,207,423.23 - Step 4: Simplify right side
19,047,403.19x = 294,586,775,869,716.75 - Step 5: Solve for x
x = 294,586,775,869,716.75/19,047,403.19 - Step 6: Final answer
x = 15,465,981.00
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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.