Finding the Fourth Proportional to 22,307,342.80, 33,454,313.40 and 7,928,520.40
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Solution
The fourth proportional to 22,307,342.80, 33,454,313.40 and 7,928,520.40 is: 11,890,398.99
Step by Step Solution
- Step 1: Write the proportion equation
22,307,342.80 : 33,454,313.40 = 7,928,520.40 : x - Step 2: Convert to fraction form
22,307,342.80/33,454,313.40 = 7,928,520.40/x - Step 3: Cross multiply
22,307,342.80x = 33,454,313.40 × 7,928,520.40 - Step 4: Simplify right side
22,307,342.80x = 265,243,206,259,893.38 - Step 5: Solve for x
x = 265,243,206,259,893.38/22,307,342.80 - Step 6: Final answer
x = 11,890,398.99
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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.