Finding the Fourth Proportional to 13,306,896.70, 19,960,345.05 and 4,787,511.10
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Solution
The fourth proportional to 13,306,896.70, 19,960,345.05 and 4,787,511.10 is: 7,181,266.65
Step by Step Solution
- Step 1: Write the proportion equation
13,306,896.70 : 19,960,345.05 = 4,787,511.10 : x - Step 2: Convert to fraction form
13,306,896.70/19,960,345.05 = 4,787,511.10/x - Step 3: Cross multiply
13,306,896.70x = 19,960,345.05 × 4,787,511.10 - Step 4: Simplify right side
13,306,896.70x = 95,560,373,486,705.05 - Step 5: Solve for x
x = 95,560,373,486,705.05/13,306,896.70 - Step 6: Final answer
x = 7,181,266.65
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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.