Finding the Fourth Proportional to 10,215,204.28, 14,097,090.54 and 5,631,689.68
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Solution
The fourth proportional to 10,215,204.28, 14,097,090.54 and 5,631,689.68 is: 7,771,791.65
Step by Step Solution
- Step 1: Write the proportion equation
10,215,204.28 : 14,097,090.54 = 5,631,689.68 : x - Step 2: Convert to fraction form
10,215,204.28/14,097,090.54 = 5,631,689.68/x - Step 3: Cross multiply
10,215,204.28x = 14,097,090.54 × 5,631,689.68 - Step 4: Simplify right side
10,215,204.28x = 79,390,439,312,143.62 - Step 5: Solve for x
x = 79,390,439,312,143.62/10,215,204.28 - Step 6: Final answer
x = 7,771,791.65
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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.