Finding the Fourth Proportional to 11,189,181.76, 15,439,988.49 and 6,296,097.31
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Solution
The fourth proportional to 11,189,181.76, 15,439,988.49 and 6,296,097.31 is: 8,688,005.26
Step by Step Solution
- Step 1: Write the proportion equation
11,189,181.76 : 15,439,988.49 = 6,296,097.31 : x - Step 2: Convert to fraction form
11,189,181.76/15,439,988.49 = 6,296,097.31/x - Step 3: Cross multiply
11,189,181.76x = 15,439,988.49 × 6,296,097.31 - Step 4: Simplify right side
11,189,181.76x = 97,211,669,998,319.95 - Step 5: Solve for x
x = 97,211,669,998,319.95/11,189,181.76 - Step 6: Final answer
x = 8,688,005.26
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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.