Finding the Fourth Proportional to 11,860,803.84, 16,367,947.65 and 6,633,901.63
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Solution
The fourth proportional to 11,860,803.84, 16,367,947.65 and 6,633,901.63 is: 9,154,805.69
Step by Step Solution
- Step 1: Write the proportion equation
11,860,803.84 : 16,367,947.65 = 6,633,901.63 : x - Step 2: Convert to fraction form
11,860,803.84/16,367,947.65 = 6,633,901.63/x - Step 3: Cross multiply
11,860,803.84x = 16,367,947.65 × 6,633,901.63 - Step 4: Simplify right side
11,860,803.84x = 108,583,354,480,080.42 - Step 5: Solve for x
x = 108,583,354,480,080.42/11,860,803.84 - Step 6: Final answer
x = 9,154,805.69
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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.