Finding the Fourth Proportional to 10,380,787.11, 15,562,313.58 and 7,338,582.63
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Solution
The fourth proportional to 10,380,787.11, 15,562,313.58 and 7,338,582.63 is: 11,001,605.46
Step by Step Solution
- Step 1: Write the proportion equation
10,380,787.11 : 15,562,313.58 = 7,338,582.63 : x - Step 2: Convert to fraction form
10,380,787.11/15,562,313.58 = 7,338,582.63/x - Step 3: Cross multiply
10,380,787.11x = 15,562,313.58 × 7,338,582.63 - Step 4: Simplify right side
10,380,787.11x = 114,205,324,120,801.11 - Step 5: Solve for x
x = 114,205,324,120,801.11/10,380,787.11 - Step 6: Final answer
x = 11,001,605.46
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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.