Finding the Fourth Proportional to 11,451,597.84, 15,803,401.44 and 6,295,176.72
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Solution
The fourth proportional to 11,451,597.84, 15,803,401.44 and 6,295,176.72 is: 8,687,451.85
Step by Step Solution
- Step 1: Write the proportion equation
11,451,597.84 : 15,803,401.44 = 6,295,176.72 : x - Step 2: Convert to fraction form
11,451,597.84/15,803,401.44 = 6,295,176.72/x - Step 3: Cross multiply
11,451,597.84x = 15,803,401.44 × 6,295,176.72 - Step 4: Simplify right side
11,451,597.84x = 99,485,204,841,902.47 - Step 5: Solve for x
x = 99,485,204,841,902.47/11,451,597.84 - Step 6: Final answer
x = 8,687,451.85
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1.5x scale
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.