Finding the Fourth Proportional to 11,026,636.17, 15,214,528.04 and 6,442,071.81
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Solution
The fourth proportional to 11,026,636.17, 15,214,528.04 and 6,442,071.81 is: 8,888,756.34
Step by Step Solution
- Step 1: Write the proportion equation
11,026,636.17 : 15,214,528.04 = 6,442,071.81 : x - Step 2: Convert to fraction form
11,026,636.17/15,214,528.04 = 6,442,071.81/x - Step 3: Cross multiply
11,026,636.17x = 15,214,528.04 × 6,442,071.81 - Step 4: Simplify right side
11,026,636.17x = 98,013,082,112,865.91 - Step 5: Solve for x
x = 98,013,082,112,865.91/11,026,636.17 - Step 6: Final answer
x = 8,888,756.34
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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.