Finding the Fourth Proportional to 15,745,773.80, 23,618,660.70 and 5,108,205.80
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Solution
The fourth proportional to 15,745,773.80, 23,618,660.70 and 5,108,205.80 is: 7,662,308.70
Step by Step Solution
- Step 1: Write the proportion equation
15,745,773.80 : 23,618,660.70 = 5,108,205.80 : x - Step 2: Convert to fraction form
15,745,773.80/23,618,660.70 = 5,108,205.80/x - Step 3: Cross multiply
15,745,773.80x = 23,618,660.70 × 5,108,205.80 - Step 4: Simplify right side
15,745,773.80x = 120,648,979,575,972.05 - Step 5: Solve for x
x = 120,648,979,575,972.05/15,745,773.80 - Step 6: Final answer
x = 7,662,308.70
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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.