Finding the Fourth Proportional to 9,689,684.47, 14,536,654.91 and 2,865,725.63
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Solution
The fourth proportional to 9,689,684.47, 14,536,654.91 and 2,865,725.63 is: 4,299,217.86
Step by Step Solution
- Step 1: Write the proportion equation
9,689,684.47 : 14,536,654.91 = 2,865,725.63 : x - Step 2: Convert to fraction form
9,689,684.47/14,536,654.91 = 2,865,725.63/x - Step 3: Cross multiply
9,689,684.47x = 14,536,654.91 × 2,865,725.63 - Step 4: Simplify right side
9,689,684.47x = 41,658,064,528,299.37 - Step 5: Solve for x
x = 41,658,064,528,299.37/9,689,684.47 - Step 6: Final answer
x = 4,299,217.86
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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.