Finding the Fourth Proportional to 7,898,630.76, 10,900,325.52 and 4,461,382.80
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Solution
The fourth proportional to 7,898,630.76, 10,900,325.52 and 4,461,382.80 is: 6,156,829.74
Step by Step Solution
- Step 1: Write the proportion equation
7,898,630.76 : 10,900,325.52 = 4,461,382.80 : x - Step 2: Convert to fraction form
7,898,630.76/10,900,325.52 = 4,461,382.80/x - Step 3: Cross multiply
7,898,630.76x = 10,900,325.52 × 4,461,382.80 - Step 4: Simplify right side
7,898,630.76x = 48,630,524,789,329.05 - Step 5: Solve for x
x = 48,630,524,789,329.05/7,898,630.76 - Step 6: Final answer
x = 6,156,829.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.