Finding the Fourth Proportional to 11,835,925.76, 16,332,647.28 and 7,251,623.84
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Solution
The fourth proportional to 11,835,925.76, 16,332,647.28 and 7,251,623.84 is: 10,006,670.94
Step by Step Solution
- Step 1: Write the proportion equation
11,835,925.76 : 16,332,647.28 = 7,251,623.84 : x - Step 2: Convert to fraction form
11,835,925.76/16,332,647.28 = 7,251,623.84/x - Step 3: Cross multiply
11,835,925.76x = 16,332,647.28 × 7,251,623.84 - Step 4: Simplify right side
11,835,925.76x = 118,438,214,385,959.14 - Step 5: Solve for x
x = 118,438,214,385,959.14/11,835,925.76 - Step 6: Final answer
x = 10,006,670.94
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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.