Finding the Fourth Proportional to 8,031,598.92, 12,046,149.48 and 2,640,213.48
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Solution
The fourth proportional to 8,031,598.92, 12,046,149.48 and 2,640,213.48 is: 3,959,909.67
Step by Step Solution
- Step 1: Write the proportion equation
8,031,598.92 : 12,046,149.48 = 2,640,213.48 : x - Step 2: Convert to fraction form
8,031,598.92/12,046,149.48 = 2,640,213.48/x - Step 3: Cross multiply
8,031,598.92x = 12,046,149.48 × 2,640,213.48 - Step 4: Simplify right side
8,031,598.92x = 31,804,406,239,190.99 - Step 5: Solve for x
x = 31,804,406,239,190.99/8,031,598.92 - Step 6: Final answer
x = 3,959,909.67
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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.