Finding the Fourth Proportional to 14,932,258.08, 20,563,134.12 and 12,971,240.88
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Solution
The fourth proportional to 14,932,258.08, 20,563,134.12 and 12,971,240.88 is: 17,862,627.64
Step by Step Solution
- Step 1: Write the proportion equation
14,932,258.08 : 20,563,134.12 = 12,971,240.88 : x - Step 2: Convert to fraction form
14,932,258.08/20,563,134.12 = 12,971,240.88/x - Step 3: Cross multiply
14,932,258.08x = 20,563,134.12 × 12,971,240.88 - Step 4: Simplify right side
14,932,258.08x = 266,729,365,918,266.84 - Step 5: Solve for x
x = 266,729,365,918,266.84/14,932,258.08 - Step 6: Final answer
x = 17,862,627.64
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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.