Finding the Fourth Proportional to 10,990,890.49, 16,487,811.97 and 4,169,992.88
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Solution
The fourth proportional to 10,990,890.49, 16,487,811.97 and 4,169,992.88 is: 6,255,549.41
Step by Step Solution
- Step 1: Write the proportion equation
10,990,890.49 : 16,487,811.97 = 4,169,992.88 : x - Step 2: Convert to fraction form
10,990,890.49/16,487,811.97 = 4,169,992.88/x - Step 3: Cross multiply
10,990,890.49x = 16,487,811.97 × 4,169,992.88 - Step 4: Simplify right side
10,990,890.49x = 68,754,058,520,486.18 - Step 5: Solve for x
x = 68,754,058,520,486.18/10,990,890.49 - Step 6: Final answer
x = 6,255,549.41
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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.