Finding the Fourth Proportional to 11,909,090.92, 17,864,701.98 and 4,622,380.08
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Solution
The fourth proportional to 11,909,090.92, 17,864,701.98 and 4,622,380.08 is: 6,933,983.72
Step by Step Solution
- Step 1: Write the proportion equation
11,909,090.92 : 17,864,701.98 = 4,622,380.08 : x - Step 2: Convert to fraction form
11,909,090.92/17,864,701.98 = 4,622,380.08/x - Step 3: Cross multiply
11,909,090.92x = 17,864,701.98 × 4,622,380.08 - Step 4: Simplify right side
11,909,090.92x = 82,577,442,567,488.56 - Step 5: Solve for x
x = 82,577,442,567,488.56/11,909,090.92 - Step 6: Final answer
x = 6,933,983.72
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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.