Finding the Fourth Proportional to 10,341,034.20, 15,511,551.30 and 6,873,381.68
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Solution
The fourth proportional to 10,341,034.20, 15,511,551.30 and 6,873,381.68 is: 10,310,072.52
Step by Step Solution
- Step 1: Write the proportion equation
10,341,034.20 : 15,511,551.30 = 6,873,381.68 : x - Step 2: Convert to fraction form
10,341,034.20/15,511,551.30 = 6,873,381.68/x - Step 3: Cross multiply
10,341,034.20x = 15,511,551.30 × 6,873,381.68 - Step 4: Simplify right side
10,341,034.20x = 106,616,812,533,800.19 - Step 5: Solve for x
x = 106,616,812,533,800.19/10,341,034.20 - Step 6: Final answer
x = 10,310,072.52
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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.