Finding the Fourth Proportional to 8,031,601.42, 12,046,153.23 and 2,640,215.98
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Solution
The fourth proportional to 8,031,601.42, 12,046,153.23 and 2,640,215.98 is: 3,959,913.42
Step by Step Solution
- Step 1: Write the proportion equation
8,031,601.42 : 12,046,153.23 = 2,640,215.98 : x - Step 2: Convert to fraction form
8,031,601.42/12,046,153.23 = 2,640,215.98/x - Step 3: Cross multiply
8,031,601.42x = 12,046,153.23 × 2,640,215.98 - Step 4: Simplify right side
8,031,601.42x = 31,804,446,255,374.62 - Step 5: Solve for x
x = 31,804,446,255,374.62/8,031,601.42 - Step 6: Final answer
x = 3,959,913.42
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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.