Finding the Fourth Proportional to 39,198,641.60, 58,805,811 and 21,951,369.80
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Solution
The fourth proportional to 39,198,641.60, 58,805,811 and 21,951,369.80 is: 32,931,449.94
Step by Step Solution
- Step 1: Write the proportion equation
39,198,641.60 : 58,805,811 = 21,951,369.80 : x - Step 2: Convert to fraction form
39,198,641.60/58,805,811 = 21,951,369.80/x - Step 3: Cross multiply
39,198,641.60x = 58,805,811 × 21,951,369.80 - Step 4: Simplify right side
39,198,641.60x = 1,290,868,103,649,907.75 - Step 5: Solve for x
x = 1,290,868,103,649,907.75/39,198,641.60 - Step 6: Final answer
x = 32,931,449.94
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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.