Finding the Fourth Proportional to 12,121,447.30, 16,727,695.05 and 6,614,865.70
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Solution
The fourth proportional to 12,121,447.30, 16,727,695.05 and 6,614,865.70 is: 9,128,568.02
Step by Step Solution
- Step 1: Write the proportion equation
12,121,447.30 : 16,727,695.05 = 6,614,865.70 : x - Step 2: Convert to fraction form
12,121,447.30/16,727,695.05 = 6,614,865.70/x - Step 3: Cross multiply
12,121,447.30x = 16,727,695.05 × 6,614,865.70 - Step 4: Simplify right side
12,121,447.30x = 110,651,456,226,304.80 - Step 5: Solve for x
x = 110,651,456,226,304.80/12,121,447.30 - Step 6: Final answer
x = 9,128,568.02
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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.