Finding the Fourth Proportional to 10,136,121.95, 15,204,056.10 and 2,459,830.38
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Solution
The fourth proportional to 10,136,121.95, 15,204,056.10 and 2,459,830.38 is: 3,689,714.79
Step by Step Solution
- Step 1: Write the proportion equation
10,136,121.95 : 15,204,056.10 = 2,459,830.38 : x - Step 2: Convert to fraction form
10,136,121.95/15,204,056.10 = 2,459,830.38/x - Step 3: Cross multiply
10,136,121.95x = 15,204,056.10 × 2,459,830.38 - Step 4: Simplify right side
10,136,121.95x = 37,399,399,094,004.31 - Step 5: Solve for x
x = 37,399,399,094,004.31/10,136,121.95 - Step 6: Final answer
x = 3,689,714.79
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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.