Finding the Fourth Proportional to 18,018,315.12, 24,865,151.63 and 9,758,187.44
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Solution
The fourth proportional to 18,018,315.12, 24,865,151.63 and 9,758,187.44 is: 13,466,231.92
Step by Step Solution
- Step 1: Write the proportion equation
18,018,315.12 : 24,865,151.63 = 9,758,187.44 : x - Step 2: Convert to fraction form
18,018,315.12/24,865,151.63 = 9,758,187.44/x - Step 3: Cross multiply
18,018,315.12x = 24,865,151.63 × 9,758,187.44 - Step 4: Simplify right side
18,018,315.12x = 242,638,810,156,444.84 - Step 5: Solve for x
x = 242,638,810,156,444.84/18,018,315.12 - Step 6: Final answer
x = 13,466,231.92
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1.5x scale
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.