Finding the Fourth Proportional to 8,943,627.97, 13,415,446.50 and 2,878,358.90
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Solution
The fourth proportional to 8,943,627.97, 13,415,446.50 and 2,878,358.90 is: 4,317,539.81
Step by Step Solution
- Step 1: Write the proportion equation
8,943,627.97 : 13,415,446.50 = 2,878,358.90 : x - Step 2: Convert to fraction form
8,943,627.97/13,415,446.50 = 2,878,358.90/x - Step 3: Cross multiply
8,943,627.97x = 13,415,446.50 × 2,878,358.90 - Step 4: Simplify right side
8,943,627.97x = 38,614,469,830,748.85 - Step 5: Solve for x
x = 38,614,469,830,748.85/8,943,627.97 - Step 6: Final answer
x = 4,317,539.81
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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.