Finding the Fourth Proportional to 7,128,856.10, 10,693,284.15 and 2,336,701.70
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Solution
The fourth proportional to 7,128,856.10, 10,693,284.15 and 2,336,701.70 is: 3,505,052.55
Step by Step Solution
- Step 1: Write the proportion equation
7,128,856.10 : 10,693,284.15 = 2,336,701.70 : x - Step 2: Convert to fraction form
7,128,856.10/10,693,284.15 = 2,336,701.70/x - Step 3: Cross multiply
7,128,856.10x = 10,693,284.15 × 2,336,701.70 - Step 4: Simplify right side
7,128,856.10x = 24,987,015,251,888.06 - Step 5: Solve for x
x = 24,987,015,251,888.06/7,128,856.10 - Step 6: Final answer
x = 3,505,052.55
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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.