Finding the Fourth Proportional to 8,150,552.80, 12,225,829.20 and 6,117,790.98
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Solution
The fourth proportional to 8,150,552.80, 12,225,829.20 and 6,117,790.98 is: 9,176,686.47
Step by Step Solution
- Step 1: Write the proportion equation
8,150,552.80 : 12,225,829.20 = 6,117,790.98 : x - Step 2: Convert to fraction form
8,150,552.80/12,225,829.20 = 6,117,790.98/x - Step 3: Cross multiply
8,150,552.80x = 12,225,829.20 × 6,117,790.98 - Step 4: Simplify right side
8,150,552.80x = 74,795,067,602,780.61 - Step 5: Solve for x
x = 74,795,067,602,780.61/8,150,552.80 - Step 6: Final answer
x = 9,176,686.47
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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.