Finding the Fourth Proportional to 11,077,367.63, 16,621,905.64 and 7,859,699.98
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Solution
The fourth proportional to 11,077,367.63, 16,621,905.64 and 7,859,699.98 is: 11,793,703.68
Step by Step Solution
- Step 1: Write the proportion equation
11,077,367.63 : 16,621,905.64 = 7,859,699.98 : x - Step 2: Convert to fraction form
11,077,367.63/16,621,905.64 = 7,859,699.98/x - Step 3: Cross multiply
11,077,367.63x = 16,621,905.64 × 7,859,699.98 - Step 4: Simplify right side
11,077,367.63x = 130,643,191,394,539.75 - Step 5: Solve for x
x = 130,643,191,394,539.75/11,077,367.63 - Step 6: Final answer
x = 11,793,703.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.