Finding the Fourth Proportional to 7,685,621.70, 11,528,248.77 and 2,498,224.73
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Solution
The fourth proportional to 7,685,621.70, 11,528,248.77 and 2,498,224.73 is: 3,747,277.35
Step by Step Solution
- Step 1: Write the proportion equation
7,685,621.70 : 11,528,248.77 = 2,498,224.73 : x - Step 2: Convert to fraction form
7,685,621.70/11,528,248.77 = 2,498,224.73/x - Step 3: Cross multiply
7,685,621.70x = 11,528,248.77 × 2,498,224.73 - Step 4: Simplify right side
7,685,621.70x = 28,800,156,113,164.84 - Step 5: Solve for x
x = 28,800,156,113,164.84/7,685,621.70 - Step 6: Final answer
x = 3,747,277.35
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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.