Finding the Fourth Proportional to 8,432,534.72, 11,636,844.56 and 4,565,027.68
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Solution
The fourth proportional to 8,432,534.72, 11,636,844.56 and 4,565,027.68 is: 6,299,709.31
Step by Step Solution
- Step 1: Write the proportion equation
8,432,534.72 : 11,636,844.56 = 4,565,027.68 : x - Step 2: Convert to fraction form
8,432,534.72/11,636,844.56 = 4,565,027.68/x - Step 3: Cross multiply
8,432,534.72x = 11,636,844.56 × 4,565,027.68 - Step 4: Simplify right side
8,432,534.72x = 53,122,517,524,257.42 - Step 5: Solve for x
x = 53,122,517,524,257.42/8,432,534.72 - Step 6: Final answer
x = 6,299,709.31
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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.