Finding the Fourth Proportional to 18,535,664.10, 27,795,622.95 and 8,953,979.70
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Solution
The fourth proportional to 18,535,664.10, 27,795,622.95 and 8,953,979.70 is: 13,427,166.26
Step by Step Solution
- Step 1: Write the proportion equation
18,535,664.10 : 27,795,622.95 = 8,953,979.70 : x - Step 2: Convert to fraction form
18,535,664.10/27,795,622.95 = 8,953,979.70/x - Step 3: Cross multiply
18,535,664.10x = 27,795,622.95 × 8,953,979.70 - Step 4: Simplify right side
18,535,664.10x = 248,881,443,643,154.09 - Step 5: Solve for x
x = 248,881,443,643,154.09/18,535,664.10 - Step 6: Final answer
x = 13,427,166.26
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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.