Finding the Fourth Proportional to 8,352,803.80, 12,529,205.70 and 5,698,595.80
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Solution
The fourth proportional to 8,352,803.80, 12,529,205.70 and 5,698,595.80 is: 8,547,893.70
Step by Step Solution
- Step 1: Write the proportion equation
8,352,803.80 : 12,529,205.70 = 5,698,595.80 : x - Step 2: Convert to fraction form
8,352,803.80/12,529,205.70 = 5,698,595.80/x - Step 3: Cross multiply
8,352,803.80x = 12,529,205.70 × 5,698,595.80 - Step 4: Simplify right side
8,352,803.80x = 71,398,878,979,356.05 - Step 5: Solve for x
x = 71,398,878,979,356.05/8,352,803.80 - Step 6: Final answer
x = 8,547,893.70
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Similar ratio
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1.5x scale
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.