Finding the Fourth Proportional to 14,318,942.84, 19,756,684.52 and 8,438,818.84
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Solution
The fourth proportional to 14,318,942.84, 19,756,684.52 and 8,438,818.84 is: 11,643,532.86
Step by Step Solution
- Step 1: Write the proportion equation
14,318,942.84 : 19,756,684.52 = 8,438,818.84 : x - Step 2: Convert to fraction form
14,318,942.84/19,756,684.52 = 8,438,818.84/x - Step 3: Cross multiply
14,318,942.84x = 19,756,684.52 × 8,438,818.84 - Step 4: Simplify right side
14,318,942.84x = 166,723,081,543,312.34 - Step 5: Solve for x
x = 166,723,081,543,312.34/14,318,942.84 - Step 6: Final answer
x = 11,643,532.86
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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.