Finding the Fourth Proportional to 39,198,591.47, 58,805,735.82 and 21,951,319.68
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Solution
The fourth proportional to 39,198,591.47, 58,805,735.82 and 21,951,319.68 is: 32,931,374.77
Step by Step Solution
- Step 1: Write the proportion equation
39,198,591.47 : 58,805,735.82 = 21,951,319.68 : x - Step 2: Convert to fraction form
39,198,591.47/58,805,735.82 = 21,951,319.68/x - Step 3: Cross multiply
39,198,591.47x = 58,805,735.82 × 21,951,319.68 - Step 4: Simplify right side
39,198,591.47x = 1,290,863,506,002,447 - Step 5: Solve for x
x = 1,290,863,506,002,447/39,198,591.47 - Step 6: Final answer
x = 32,931,374.77
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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.