Finding the Fourth Proportional to 16,821,980.79, 25,232,607.23 and 4,691,121.09
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Solution
The fourth proportional to 16,821,980.79, 25,232,607.23 and 4,691,121.09 is: 7,036,580.14
Step by Step Solution
- Step 1: Write the proportion equation
16,821,980.79 : 25,232,607.23 = 4,691,121.09 : x - Step 2: Convert to fraction form
16,821,980.79/25,232,607.23 = 4,691,121.09/x - Step 3: Cross multiply
16,821,980.79x = 25,232,607.23 × 4,691,121.09 - Step 4: Simplify right side
16,821,980.79x = 118,369,215,908,883.88 - Step 5: Solve for x
x = 118,369,215,908,883.88/16,821,980.79 - Step 6: Final answer
x = 7,036,580.14
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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.