Finding the Fourth Proportional to 7,781,338.17, 11,665,993.41 and 2,923,541.87
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Solution
The fourth proportional to 7,781,338.17, 11,665,993.41 and 2,923,541.87 is: 4,383,053.32
Step by Step Solution
- Step 1: Write the proportion equation
7,781,338.17 : 11,665,993.41 = 2,923,541.87 : x - Step 2: Convert to fraction form
7,781,338.17/11,665,993.41 = 2,923,541.87/x - Step 3: Cross multiply
7,781,338.17x = 11,665,993.41 × 2,923,541.87 - Step 4: Simplify right side
7,781,338.17x = 34,106,020,130,949.11 - Step 5: Solve for x
x = 34,106,020,130,949.11/7,781,338.17 - Step 6: Final answer
x = 4,383,053.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.