Finding the Fourth Proportional to 10,115,508.20, 15,175,230.60 and 2,927,276.60
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Solution
The fourth proportional to 10,115,508.20, 15,175,230.60 and 2,927,276.60 is: 4,391,484.50
Step by Step Solution
- Step 1: Write the proportion equation
10,115,508.20 : 15,175,230.60 = 2,927,276.60 : x - Step 2: Convert to fraction form
10,115,508.20/15,175,230.60 = 2,927,276.60/x - Step 3: Cross multiply
10,115,508.20x = 15,175,230.60 × 2,927,276.60 - Step 4: Simplify right side
10,115,508.20x = 44,422,097,434,983.96 - Step 5: Solve for x
x = 44,422,097,434,983.96/10,115,508.20 - Step 6: Final answer
x = 4,391,484.50
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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.