Finding the Fourth Proportional to 10,165,283.74, 14,028,091.62 and 5,581,605.12
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Solution
The fourth proportional to 10,165,283.74, 14,028,091.62 and 5,581,605.12 is: 7,702,615.10
Step by Step Solution
- Step 1: Write the proportion equation
10,165,283.74 : 14,028,091.62 = 5,581,605.12 : x - Step 2: Convert to fraction form
10,165,283.74/14,028,091.62 = 5,581,605.12/x - Step 3: Cross multiply
10,165,283.74x = 14,028,091.62 × 5,581,605.12 - Step 4: Simplify right side
10,165,283.74x = 78,299,268,010,021.09 - Step 5: Solve for x
x = 78,299,268,010,021.09/10,165,283.74 - Step 6: Final answer
x = 7,702,615.10
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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.