Finding the Fourth Proportional to 10,619,218.20, 14,650,741.98 and 6,266,125.92
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Solution
The fourth proportional to 10,619,218.20, 14,650,741.98 and 6,266,125.92 is: 8,645,023.80
Step by Step Solution
- Step 1: Write the proportion equation
10,619,218.20 : 14,650,741.98 = 6,266,125.92 : x - Step 2: Convert to fraction form
10,619,218.20/14,650,741.98 = 6,266,125.92/x - Step 3: Cross multiply
10,619,218.20x = 14,650,741.98 × 6,266,125.92 - Step 4: Simplify right side
10,619,218.20x = 91,803,394,068,110.12 - Step 5: Solve for x
x = 91,803,394,068,110.12/10,619,218.20 - Step 6: Final answer
x = 8,645,023.80
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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.