Finding the Fourth Proportional to 14,694,668.28, 20,280,282.66 and 8,896,645.08
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Solution
The fourth proportional to 14,694,668.28, 20,280,282.66 and 8,896,645.08 is: 12,278,363.38
Step by Step Solution
- Step 1: Write the proportion equation
14,694,668.28 : 20,280,282.66 = 8,896,645.08 : x - Step 2: Convert to fraction form
14,694,668.28/20,280,282.66 = 8,896,645.08/x - Step 3: Cross multiply
14,694,668.28x = 20,280,282.66 × 8,896,645.08 - Step 4: Simplify right side
14,694,668.28x = 180,426,476,948,098.31 - Step 5: Solve for x
x = 180,426,476,948,098.31/14,694,668.28 - Step 6: Final answer
x = 12,278,363.38
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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.