Finding the Fourth Proportional to 39,791,293.20, 59,686,934.40 and 11,037,430.08
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Solution
The fourth proportional to 39,791,293.20, 59,686,934.40 and 11,037,430.08 is: 16,556,143.62
Step by Step Solution
- Step 1: Write the proportion equation
39,791,293.20 : 59,686,934.40 = 11,037,430.08 : x - Step 2: Convert to fraction form
39,791,293.20/59,686,934.40 = 11,037,430.08/x - Step 3: Cross multiply
39,791,293.20x = 59,686,934.40 × 11,037,430.08 - Step 4: Simplify right side
39,791,293.20x = 658,790,365,129,546.75 - Step 5: Solve for x
x = 658,790,365,129,546.75/39,791,293.20 - Step 6: Final answer
x = 16,556,143.62
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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.