Finding the Fourth Proportional to 16,502,013.97, 22,770,351.45 and 9,159,903.23
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Solution
The fourth proportional to 16,502,013.97, 22,770,351.45 and 9,159,903.23 is: 12,639,318.82
Step by Step Solution
- Step 1: Write the proportion equation
16,502,013.97 : 22,770,351.45 = 9,159,903.23 : x - Step 2: Convert to fraction form
16,502,013.97/22,770,351.45 = 9,159,903.23/x - Step 3: Cross multiply
16,502,013.97x = 22,770,351.45 × 9,159,903.23 - Step 4: Simplify right side
16,502,013.97x = 208,574,215,681,238.41 - Step 5: Solve for x
x = 208,574,215,681,238.41/16,502,013.97 - Step 6: Final answer
x = 12,639,318.82
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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.