Finding the Fourth Proportional to 6,804,920.10, 10,207,380.15 and 6,119,951.70
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Solution
The fourth proportional to 6,804,920.10, 10,207,380.15 and 6,119,951.70 is: 9,179,927.55
Step by Step Solution
- Step 1: Write the proportion equation
6,804,920.10 : 10,207,380.15 = 6,119,951.70 : x - Step 2: Convert to fraction form
6,804,920.10/10,207,380.15 = 6,119,951.70/x - Step 3: Cross multiply
6,804,920.10x = 10,207,380.15 × 6,119,951.70 - Step 4: Simplify right side
6,804,920.10x = 62,468,673,501,538.76 - Step 5: Solve for x
x = 62,468,673,501,538.76/6,804,920.10 - Step 6: Final answer
x = 9,179,927.55
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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.