Finding the Fourth Proportional to 18,261,711.08, 25,201,953.47 and 10,112,949.08
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Solution
The fourth proportional to 18,261,711.08, 25,201,953.47 and 10,112,949.08 is: 13,956,308.42
Step by Step Solution
- Step 1: Write the proportion equation
18,261,711.08 : 25,201,953.47 = 10,112,949.08 : x - Step 2: Convert to fraction form
18,261,711.08/25,201,953.47 = 10,112,949.08/x - Step 3: Cross multiply
18,261,711.08x = 25,201,953.47 × 10,112,949.08 - Step 4: Simplify right side
18,261,711.08x = 254,866,072,158,639.31 - Step 5: Solve for x
x = 254,866,072,158,639.31/18,261,711.08 - Step 6: Final answer
x = 13,956,308.42
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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.