Finding the Fourth Proportional to 11,103,035.76, 15,316,279.20 and 6,753,452.40
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Solution
The fourth proportional to 11,103,035.76, 15,316,279.20 and 6,753,452.40 is: 9,316,169.45
Step by Step Solution
- Step 1: Write the proportion equation
11,103,035.76 : 15,316,279.20 = 6,753,452.40 : x - Step 2: Convert to fraction form
11,103,035.76/15,316,279.20 = 6,753,452.40/x - Step 3: Cross multiply
11,103,035.76x = 15,316,279.20 × 6,753,452.40 - Step 4: Simplify right side
11,103,035.76x = 103,437,762,522,310.08 - Step 5: Solve for x
x = 103,437,762,522,310.08/11,103,035.76 - Step 6: Final answer
x = 9,316,169.45
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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.