Finding the Fourth Proportional to 12,060,102.98, 16,642,929.41 and 6,553,464.65
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Solution
The fourth proportional to 12,060,102.98, 16,642,929.41 and 6,553,464.65 is: 9,043,774.32
Step by Step Solution
- Step 1: Write the proportion equation
12,060,102.98 : 16,642,929.41 = 6,553,464.65 : x - Step 2: Convert to fraction form
12,060,102.98/16,642,929.41 = 6,553,464.65/x - Step 3: Cross multiply
12,060,102.98x = 16,642,929.41 × 6,553,464.65 - Step 4: Simplify right side
12,060,102.98x = 109,068,849,643,012.72 - Step 5: Solve for x
x = 109,068,849,643,012.72/12,060,102.98 - Step 6: Final answer
x = 9,043,774.32
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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.