Finding the Fourth Proportional to 10,367,689.96, 15,550,953.66 and 3,179,204.12
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Solution
The fourth proportional to 10,367,689.96, 15,550,953.66 and 3,179,204.12 is: 4,768,627.93
Step by Step Solution
- Step 1: Write the proportion equation
10,367,689.96 : 15,550,953.66 = 3,179,204.12 : x - Step 2: Convert to fraction form
10,367,689.96/15,550,953.66 = 3,179,204.12/x - Step 3: Cross multiply
10,367,689.96x = 15,550,953.66 × 3,179,204.12 - Step 4: Simplify right side
10,367,689.96x = 49,439,655,945,801.08 - Step 5: Solve for x
x = 49,439,655,945,801.08/10,367,689.96 - Step 6: Final answer
x = 4,768,627.93
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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.