Finding the Fourth Proportional to 38,480,776.24, 57,721,149.64 and 15,451,703.84
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Solution
The fourth proportional to 38,480,776.24, 57,721,149.64 and 15,451,703.84 is: 23,177,549.84
Step by Step Solution
- Step 1: Write the proportion equation
38,480,776.24 : 57,721,149.64 = 15,451,703.84 : x - Step 2: Convert to fraction form
38,480,776.24/57,721,149.64 = 15,451,703.84/x - Step 3: Cross multiply
38,480,776.24x = 57,721,149.64 × 15,451,703.84 - Step 4: Simplify right side
38,480,776.24x = 891,890,109,252,996.88 - Step 5: Solve for x
x = 891,890,109,252,996.88/38,480,776.24 - Step 6: Final answer
x = 23,177,549.84
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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.