Finding the Fourth Proportional to 38,343,742.80, 57,515,614.20 and 29,777,701.20
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Solution
The fourth proportional to 38,343,742.80, 57,515,614.20 and 29,777,701.20 is: 44,666,551.80
Step by Step Solution
- Step 1: Write the proportion equation
38,343,742.80 : 57,515,614.20 = 29,777,701.20 : x - Step 2: Convert to fraction form
38,343,742.80/57,515,614.20 = 29,777,701.20/x - Step 3: Cross multiply
38,343,742.80x = 57,515,614.20 × 29,777,701.20 - Step 4: Simplify right side
38,343,742.80x = 1,712,682,773,982,077 - Step 5: Solve for x
x = 1,712,682,773,982,077/38,343,742.80 - Step 6: Final answer
x = 44,666,551.80
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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.