Finding the Fourth Proportional to 8,353,574.87, 11,506,370.63 and 5,901,930.14
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Solution
The fourth proportional to 8,353,574.87, 11,506,370.63 and 5,901,930.14 is: 8,129,429.21
Step by Step Solution
- Step 1: Write the proportion equation
8,353,574.87 : 11,506,370.63 = 5,901,930.14 : x - Step 2: Convert to fraction form
8,353,574.87/11,506,370.63 = 5,901,930.14/x - Step 3: Cross multiply
8,353,574.87x = 11,506,370.63 × 5,901,930.14 - Step 4: Simplify right side
8,353,574.87x = 67,909,795,536,166.28 - Step 5: Solve for x
x = 67,909,795,536,166.28/8,353,574.87 - Step 6: Final answer
x = 8,129,429.21
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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.