Finding the Fourth Proportional to 11,371,776.10, 15,695,839.40 and 6,479,881.74
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Solution
The fourth proportional to 11,371,776.10, 15,695,839.40 and 6,479,881.74 is: 8,943,825.68
Step by Step Solution
- Step 1: Write the proportion equation
11,371,776.10 : 15,695,839.40 = 6,479,881.74 : x - Step 2: Convert to fraction form
11,371,776.10/15,695,839.40 = 6,479,881.74/x - Step 3: Cross multiply
11,371,776.10x = 15,695,839.40 × 6,479,881.74 - Step 4: Simplify right side
11,371,776.10x = 101,707,183,089,633.14 - Step 5: Solve for x
x = 101,707,183,089,633.14/11,371,776.10 - Step 6: Final answer
x = 8,943,825.68
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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.