Finding the Fourth Proportional to 10,251,010.55, 15,376,515.83 and 4,183,725.80
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Solution
The fourth proportional to 10,251,010.55, 15,376,515.83 and 4,183,725.80 is: 6,275,588.70
Step by Step Solution
- Step 1: Write the proportion equation
10,251,010.55 : 15,376,515.83 = 4,183,725.80 : x - Step 2: Convert to fraction form
10,251,010.55/15,376,515.83 = 4,183,725.80/x - Step 3: Cross multiply
10,251,010.55x = 15,376,515.83 × 4,183,725.80 - Step 4: Simplify right side
10,251,010.55x = 64,331,125,971,160.78 - Step 5: Solve for x
x = 64,331,125,971,160.78/10,251,010.55 - Step 6: Final answer
x = 6,275,588.70
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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.