Finding the Fourth Proportional to 18,225,655.44, 27,338,509.68 and 7,442,956.32
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Solution
The fourth proportional to 18,225,655.44, 27,338,509.68 and 7,442,956.32 is: 11,164,445.31
Step by Step Solution
- Step 1: Write the proportion equation
18,225,655.44 : 27,338,509.68 = 7,442,956.32 : x - Step 2: Convert to fraction form
18,225,655.44/27,338,509.68 = 7,442,956.32/x - Step 3: Cross multiply
18,225,655.44x = 27,338,509.68 × 7,442,956.32 - Step 4: Simplify right side
18,225,655.44x = 203,479,333,402,137.19 - Step 5: Solve for x
x = 203,479,333,402,137.19/18,225,655.44 - Step 6: Final answer
x = 11,164,445.31
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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.