Finding the Fourth Proportional to 11,159,907.54, 15,402,353.24 and 6,811,520.73
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Solution
The fourth proportional to 11,159,907.54, 15,402,353.24 and 6,811,520.73 is: 9,400,924.52
Step by Step Solution
- Step 1: Write the proportion equation
11,159,907.54 : 15,402,353.24 = 6,811,520.73 : x - Step 2: Convert to fraction form
11,159,907.54/15,402,353.24 = 6,811,520.73/x - Step 3: Cross multiply
11,159,907.54x = 15,402,353.24 × 6,811,520.73 - Step 4: Simplify right side
11,159,907.54x = 104,913,448,385,042.67 - Step 5: Solve for x
x = 104,913,448,385,042.67/11,159,907.54 - Step 6: Final answer
x = 9,400,924.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.