Finding the Fourth Proportional to 6,777,031.50, 9,352,369.08 and 3,721,311.36
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Solution
The fourth proportional to 6,777,031.50, 9,352,369.08 and 3,721,311.36 is: 5,135,445.70
Step by Step Solution
- Step 1: Write the proportion equation
6,777,031.50 : 9,352,369.08 = 3,721,311.36 : x - Step 2: Convert to fraction form
6,777,031.50/9,352,369.08 = 3,721,311.36/x - Step 3: Cross multiply
6,777,031.50x = 9,352,369.08 × 3,721,311.36 - Step 4: Simplify right side
6,777,031.50x = 34,803,077,300,316.75 - Step 5: Solve for x
x = 34,803,077,300,316.75/6,777,031.50 - Step 6: Final answer
x = 5,135,445.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.