Finding the Fourth Proportional to 10,104,932.70, 15,157,399.05 and 2,916,701.10
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Solution
The fourth proportional to 10,104,932.70, 15,157,399.05 and 2,916,701.10 is: 4,375,051.65
Step by Step Solution
- Step 1: Write the proportion equation
10,104,932.70 : 15,157,399.05 = 2,916,701.10 : x - Step 2: Convert to fraction form
10,104,932.70/15,157,399.05 = 2,916,701.10/x - Step 3: Cross multiply
10,104,932.70x = 15,157,399.05 × 2,916,701.10 - Step 4: Simplify right side
10,104,932.70x = 44,209,602,482,273.96 - Step 5: Solve for x
x = 44,209,602,482,273.96/10,104,932.70 - Step 6: Final answer
x = 4,375,051.65
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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.