Finding the Fourth Proportional to 61,008,021.86, 91,511,955.99 and 15,569,816.42
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Solution
The fourth proportional to 61,008,021.86, 91,511,955.99 and 15,569,816.42 is: 23,354,705.03
Step by Step Solution
- Step 1: Write the proportion equation
61,008,021.86 : 91,511,955.99 = 15,569,816.42 : x - Step 2: Convert to fraction form
61,008,021.86/91,511,955.99 = 15,569,816.42/x - Step 3: Cross multiply
61,008,021.86x = 91,511,955.99 × 15,569,816.42 - Step 4: Simplify right side
61,008,021.86x = 1,424,824,354,999,419.25 - Step 5: Solve for x
x = 1,424,824,354,999,419.25/61,008,021.86 - Step 6: Final answer
x = 23,354,705.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.