Finding the Fourth Proportional to 8,143,663.96, 11,239,253.31 and 4,705,904.99
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Solution
The fourth proportional to 8,143,663.96, 11,239,253.31 and 4,705,904.99 is: 6,494,725.04
Step by Step Solution
- Step 1: Write the proportion equation
8,143,663.96 : 11,239,253.31 = 4,705,904.99 : x - Step 2: Convert to fraction form
8,143,663.96/11,239,253.31 = 4,705,904.99/x - Step 3: Cross multiply
8,143,663.96x = 11,239,253.31 × 4,705,904.99 - Step 4: Simplify right side
8,143,663.96x = 52,890,858,281,148.30 - Step 5: Solve for x
x = 52,890,858,281,148.30/8,143,663.96 - Step 6: Final answer
x = 6,494,725.04
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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.