Finding the Fourth Proportional to 16,605,769.81, 22,915,898.61 and 9,263,597.08
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Solution
The fourth proportional to 16,605,769.81, 22,915,898.61 and 9,263,597.08 is: 12,783,728.42
Step by Step Solution
- Step 1: Write the proportion equation
16,605,769.81 : 22,915,898.61 = 9,263,597.08 : x - Step 2: Convert to fraction form
16,605,769.81/22,915,898.61 = 9,263,597.08/x - Step 3: Cross multiply
16,605,769.81x = 22,915,898.61 × 9,263,597.08 - Step 4: Simplify right side
16,605,769.81x = 212,283,651,449,172.06 - Step 5: Solve for x
x = 212,283,651,449,172.06/16,605,769.81 - Step 6: Final answer
x = 12,783,728.42
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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.