Finding the Fourth Proportional to 10,650,350.40, 15,966,194.40 and 6,392,212.80
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Solution
The fourth proportional to 10,650,350.40, 15,966,194.40 and 6,392,212.80 is: 9,582,718.73
Step by Step Solution
- Step 1: Write the proportion equation
10,650,350.40 : 15,966,194.40 = 6,392,212.80 : x - Step 2: Convert to fraction form
10,650,350.40/15,966,194.40 = 6,392,212.80/x - Step 3: Cross multiply
10,650,350.40x = 15,966,194.40 × 6,392,212.80 - Step 4: Simplify right side
10,650,350.40x = 102,059,312,210,968.31 - Step 5: Solve for x
x = 102,059,312,210,968.31/10,650,350.40 - Step 6: Final answer
x = 9,582,718.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.