Finding the Fourth Proportional to 14,777,684.19, 20,396,604.20 and 8,668,080.99
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Solution
The fourth proportional to 14,777,684.19, 20,396,604.20 and 8,668,080.99 is: 11,963,946.10
Step by Step Solution
- Step 1: Write the proportion equation
14,777,684.19 : 20,396,604.20 = 8,668,080.99 : x - Step 2: Convert to fraction form
14,777,684.19/20,396,604.20 = 8,668,080.99/x - Step 3: Cross multiply
14,777,684.19x = 20,396,604.20 × 8,668,080.99 - Step 4: Simplify right side
14,777,684.19x = 176,799,417,083,233.75 - Step 5: Solve for x
x = 176,799,417,083,233.75/14,777,684.19 - Step 6: Final answer
x = 11,963,946.10
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1.5x scale
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.