Finding the Fourth Proportional to 10,341,068.20, 15,511,602.30 and 6,873,415.68
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Solution
The fourth proportional to 10,341,068.20, 15,511,602.30 and 6,873,415.68 is: 10,310,123.52
Step by Step Solution
- Step 1: Write the proportion equation
10,341,068.20 : 15,511,602.30 = 6,873,415.68 : x - Step 2: Convert to fraction form
10,341,068.20/15,511,602.30 = 6,873,415.68/x - Step 3: Cross multiply
10,341,068.20x = 15,511,602.30 × 6,873,415.68 - Step 4: Simplify right side
10,341,068.20x = 106,617,690,470,744.06 - Step 5: Solve for x
x = 106,617,690,470,744.06/10,341,068.20 - Step 6: Final answer
x = 10,310,123.52
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1.5x scale
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.