Finding the Fourth Proportional to 9,486,317.73, 13,091,115.71 and 5,135,400.81
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Solution
The fourth proportional to 9,486,317.73, 13,091,115.71 and 5,135,400.81 is: 7,086,851.62
Step by Step Solution
- Step 1: Write the proportion equation
9,486,317.73 : 13,091,115.71 = 5,135,400.81 : x - Step 2: Convert to fraction form
9,486,317.73/13,091,115.71 = 5,135,400.81/x - Step 3: Cross multiply
9,486,317.73x = 13,091,115.71 × 5,135,400.81 - Step 4: Simplify right side
9,486,317.73x = 67,228,126,233,776.23 - Step 5: Solve for x
x = 67,228,126,233,776.23/9,486,317.73 - Step 6: Final answer
x = 7,086,851.62
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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.