Finding the Fourth Proportional to 12,381,867.84, 18,569,069.28 and 4,403,208
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Solution
The fourth proportional to 12,381,867.84, 18,569,069.28 and 4,403,208 is: 6,603,484.67
Step by Step Solution
- Step 1: Write the proportion equation
12,381,867.84 : 18,569,069.28 = 4,403,208 : x - Step 2: Convert to fraction form
12,381,867.84/18,569,069.28 = 4,403,208/x - Step 3: Cross multiply
12,381,867.84x = 18,569,069.28 × 4,403,208 - Step 4: Simplify right side
12,381,867.84x = 81,763,474,406,250.25 - Step 5: Solve for x
x = 81,763,474,406,250.25/12,381,867.84 - Step 6: Final answer
x = 6,603,484.67
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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.