Finding the Fourth Proportional to 11,868,894.08, 17,805,555.12 and 5,392,423.52
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Solution
The fourth proportional to 11,868,894.08, 17,805,555.12 and 5,392,423.52 is: 8,089,641.17
Step by Step Solution
- Step 1: Write the proportion equation
11,868,894.08 : 17,805,555.12 = 5,392,423.52 : x - Step 2: Convert to fraction form
11,868,894.08/17,805,555.12 = 5,392,423.52/x - Step 3: Cross multiply
11,868,894.08x = 17,805,555.12 × 5,392,423.52 - Step 4: Simplify right side
11,868,894.08x = 96,015,094,215,744.42 - Step 5: Solve for x
x = 96,015,094,215,744.42/11,868,894.08 - Step 6: Final answer
x = 8,089,641.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.