Finding the Fourth Proportional to 7,699,394.82, 10,624,052.66 and 4,261,627.65
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Solution
The fourth proportional to 7,699,394.82, 10,624,052.66 and 4,261,627.65 is: 5,880,430.55
Step by Step Solution
- Step 1: Write the proportion equation
7,699,394.82 : 10,624,052.66 = 4,261,627.65 : x - Step 2: Convert to fraction form
7,699,394.82/10,624,052.66 = 4,261,627.65/x - Step 3: Cross multiply
7,699,394.82x = 10,624,052.66 × 4,261,627.65 - Step 4: Simplify right side
7,699,394.82x = 45,275,756,549,603.91 - Step 5: Solve for x
x = 45,275,756,549,603.91/7,699,394.82 - Step 6: Final answer
x = 5,880,430.55
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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.