Finding the Fourth Proportional to 14,889,390.35, 20,547,976.41 and 8,273,954.09
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Solution
The fourth proportional to 14,889,390.35, 20,547,976.41 and 8,273,954.09 is: 11,418,399.92
Step by Step Solution
- Step 1: Write the proportion equation
14,889,390.35 : 20,547,976.41 = 8,273,954.09 : x - Step 2: Convert to fraction form
14,889,390.35/20,547,976.41 = 8,273,954.09/x - Step 3: Cross multiply
14,889,390.35x = 20,547,976.41 × 8,273,954.09 - Step 4: Simplify right side
14,889,390.35x = 170,013,013,566,825.25 - Step 5: Solve for x
x = 170,013,013,566,825.25/14,889,390.35 - Step 6: Final answer
x = 11,418,399.92
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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.