Finding the Fourth Proportional to 17,673,932.16, 24,378,032.16 and 11,467,889.28
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Solution
The fourth proportional to 17,673,932.16, 24,378,032.16 and 11,467,889.28 is: 15,817,904.65
Step by Step Solution
- Step 1: Write the proportion equation
17,673,932.16 : 24,378,032.16 = 11,467,889.28 : x - Step 2: Convert to fraction form
17,673,932.16/24,378,032.16 = 11,467,889.28/x - Step 3: Cross multiply
17,673,932.16x = 24,378,032.16 × 11,467,889.28 - Step 4: Simplify right side
17,673,932.16x = 279,564,573,675,159.22 - Step 5: Solve for x
x = 279,564,573,675,159.22/17,673,932.16 - Step 6: Final answer
x = 15,817,904.65
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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.