Finding the Fourth Proportional to 11,102,467.09, 15,316,712.98 and 7,432,565.97
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Solution
The fourth proportional to 11,102,467.09, 15,316,712.98 and 7,432,565.97 is: 10,253,800.24
Step by Step Solution
- Step 1: Write the proportion equation
11,102,467.09 : 15,316,712.98 = 7,432,565.97 : x - Step 2: Convert to fraction form
11,102,467.09/15,316,712.98 = 7,432,565.97/x - Step 3: Cross multiply
11,102,467.09x = 15,316,712.98 × 7,432,565.97 - Step 4: Simplify right side
11,102,467.09x = 113,842,479,667,405.30 - Step 5: Solve for x
x = 113,842,479,667,405.30/11,102,467.09 - Step 6: Final answer
x = 10,253,800.24
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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.