Finding the Fourth Proportional to 9,033,369.12, 12,448,821.42 and 8,867,332.08
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Solution
The fourth proportional to 9,033,369.12, 12,448,821.42 and 8,867,332.08 is: 12,220,006.96
Step by Step Solution
- Step 1: Write the proportion equation
9,033,369.12 : 12,448,821.42 = 8,867,332.08 : x - Step 2: Convert to fraction form
9,033,369.12/12,448,821.42 = 8,867,332.08/x - Step 3: Cross multiply
9,033,369.12x = 12,448,821.42 × 8,867,332.08 - Step 4: Simplify right side
9,033,369.12x = 110,387,833,535,757.16 - Step 5: Solve for x
x = 110,387,833,535,757.16/9,033,369.12 - Step 6: Final answer
x = 12,220,006.96
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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.