Finding the Fourth Proportional to 42,512,956.22, 63,779,553.16 and 13,759,091.84
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Solution
The fourth proportional to 42,512,956.22, 63,779,553.16 and 13,759,091.84 is: 20,641,912.67
Step by Step Solution
- Step 1: Write the proportion equation
42,512,956.22 : 63,779,553.16 = 13,759,091.84 : x - Step 2: Convert to fraction form
42,512,956.22/63,779,553.16 = 13,759,091.84/x - Step 3: Cross multiply
42,512,956.22x = 63,779,553.16 × 13,759,091.84 - Step 4: Simplify right side
42,512,956.22x = 877,548,729,567,653.25 - Step 5: Solve for x
x = 877,548,729,567,653.25/42,512,956.22 - Step 6: Final answer
x = 20,641,912.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.