Finding the Fourth Proportional to 18,535,663.60, 27,795,622.20 and 8,953,979.20
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Solution
The fourth proportional to 18,535,663.60, 27,795,622.20 and 8,953,979.20 is: 13,427,165.51
Step by Step Solution
- Step 1: Write the proportion equation
18,535,663.60 : 27,795,622.20 = 8,953,979.20 : x - Step 2: Convert to fraction form
18,535,663.60/27,795,622.20 = 8,953,979.20/x - Step 3: Cross multiply
18,535,663.60x = 27,795,622.20 × 8,953,979.20 - Step 4: Simplify right side
18,535,663.60x = 248,881,423,029,858.22 - Step 5: Solve for x
x = 248,881,423,029,858.22/18,535,663.60 - Step 6: Final answer
x = 13,427,165.51
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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.