Finding the Fourth Proportional to 18,018,316.12, 24,865,153 and 9,758,188.44
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Solution
The fourth proportional to 18,018,316.12, 24,865,153 and 9,758,188.44 is: 13,466,233.30
Step by Step Solution
- Step 1: Write the proportion equation
18,018,316.12 : 24,865,153 = 9,758,188.44 : x - Step 2: Convert to fraction form
18,018,316.12/24,865,153 = 9,758,188.44/x - Step 3: Cross multiply
18,018,316.12x = 24,865,153 × 9,758,188.44 - Step 4: Simplify right side
18,018,316.12x = 242,638,848,563,431.31 - Step 5: Solve for x
x = 242,638,848,563,431.31/18,018,316.12 - Step 6: Final answer
x = 13,466,233.30
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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.