Finding the Fourth Proportional to 7,474,588.35, 10,316,269.57 and 4,376,930.86
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Solution
The fourth proportional to 7,474,588.35, 10,316,269.57 and 4,376,930.86 is: 6,040,947.88
Step by Step Solution
- Step 1: Write the proportion equation
7,474,588.35 : 10,316,269.57 = 4,376,930.86 : x - Step 2: Convert to fraction form
7,474,588.35/10,316,269.57 = 4,376,930.86/x - Step 3: Cross multiply
7,474,588.35x = 10,316,269.57 × 4,376,930.86 - Step 4: Simplify right side
7,474,588.35x = 45,153,598,668,973.30 - Step 5: Solve for x
x = 45,153,598,668,973.30/7,474,588.35 - Step 6: Final answer
x = 6,040,947.88
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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.