Finding the Fourth Proportional to 21,289,458.79, 31,939,574.29 and 5,936,750.12
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Solution
The fourth proportional to 21,289,458.79, 31,939,574.29 and 5,936,750.12 is: 8,906,627.14
Step by Step Solution
- Step 1: Write the proportion equation
21,289,458.79 : 31,939,574.29 = 5,936,750.12 : x - Step 2: Convert to fraction form
21,289,458.79/31,939,574.29 = 5,936,750.12/x - Step 3: Cross multiply
21,289,458.79x = 31,939,574.29 × 5,936,750.12 - Step 4: Simplify right side
21,289,458.79x = 189,617,271,384,253.38 - Step 5: Solve for x
x = 189,617,271,384,253.38/21,289,458.79 - Step 6: Final answer
x = 8,906,627.14
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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.