Finding the Fourth Proportional to 14,920,116.27, 20,588,918.90 and 8,394,020.79
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Solution
The fourth proportional to 14,920,116.27, 20,588,918.90 and 8,394,020.79 is: 11,583,275.23
Step by Step Solution
- Step 1: Write the proportion equation
14,920,116.27 : 20,588,918.90 = 8,394,020.79 : x - Step 2: Convert to fraction form
14,920,116.27/20,588,918.90 = 8,394,020.79/x - Step 3: Cross multiply
14,920,116.27x = 20,588,918.90 × 8,394,020.79 - Step 4: Simplify right side
14,920,116.27x = 172,823,813,248,253.81 - Step 5: Solve for x
x = 172,823,813,248,253.81/14,920,116.27 - Step 6: Final answer
x = 11,583,275.23
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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.