Finding the Fourth Proportional to 8,187,909.81, 12,256,306.53 and 6,031,366.21
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Solution
The fourth proportional to 8,187,909.81, 12,256,306.53 and 6,031,366.21 is: 9,028,222.68
Step by Step Solution
- Step 1: Write the proportion equation
8,187,909.81 : 12,256,306.53 = 6,031,366.21 : x - Step 2: Convert to fraction form
8,187,909.81/12,256,306.53 = 6,031,366.21/x - Step 3: Cross multiply
8,187,909.81x = 12,256,306.53 × 6,031,366.21 - Step 4: Simplify right side
8,187,909.81x = 73,922,273,064,444.34 - Step 5: Solve for x
x = 73,922,273,064,444.34/8,187,909.81 - Step 6: Final answer
x = 9,028,222.68
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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.