Finding the Fourth Proportional to 8,520,511.41, 11,750,324.25 and 6,783,913.41
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Solution
The fourth proportional to 8,520,511.41, 11,750,324.25 and 6,783,913.41 is: 9,355,445.75
Step by Step Solution
- Step 1: Write the proportion equation
8,520,511.41 : 11,750,324.25 = 6,783,913.41 : x - Step 2: Convert to fraction form
8,520,511.41/11,750,324.25 = 6,783,913.41/x - Step 3: Cross multiply
8,520,511.41x = 11,750,324.25 × 6,783,913.41 - Step 4: Simplify right side
8,520,511.41x = 79,713,182,251,423.19 - Step 5: Solve for x
x = 79,713,182,251,423.19/8,520,511.41 - Step 6: Final answer
x = 9,355,445.75
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1.5x scale
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.