Finding the Fourth Proportional to 10,711,656.96, 14,775,595.20 and 6,357,874.56
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Solution
The fourth proportional to 10,711,656.96, 14,775,595.20 and 6,357,874.56 is: 8,770,013.94
Step by Step Solution
- Step 1: Write the proportion equation
10,711,656.96 : 14,775,595.20 = 6,357,874.56 : x - Step 2: Convert to fraction form
10,711,656.96/14,775,595.20 = 6,357,874.56/x - Step 3: Cross multiply
10,711,656.96x = 14,775,595.20 × 6,357,874.56 - Step 4: Simplify right side
10,711,656.96x = 93,941,380,830,938.09 - Step 5: Solve for x
x = 93,941,380,830,938.09/10,711,656.96 - Step 6: Final answer
x = 8,770,013.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.