Finding the Fourth Proportional to 35,471,178.12, 48,951,678.64 and 22,413,672.75
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Solution
The fourth proportional to 35,471,178.12, 48,951,678.64 and 22,413,672.75 is: 30,931,786.42
Step by Step Solution
- Step 1: Write the proportion equation
35,471,178.12 : 48,951,678.64 = 22,413,672.75 : x - Step 2: Convert to fraction form
35,471,178.12/48,951,678.64 = 22,413,672.75/x - Step 3: Cross multiply
35,471,178.12x = 48,951,678.64 × 22,413,672.75 - Step 4: Simplify right side
35,471,178.12x = 1,097,186,905,778,538.50 - Step 5: Solve for x
x = 1,097,186,905,778,538.50/35,471,178.12 - Step 6: Final answer
x = 30,931,786.42
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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.