Finding the Fourth Proportional to 9,927,211.80, 14,890,817.70 and 3,195,625.80
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Solution
The fourth proportional to 9,927,211.80, 14,890,817.70 and 3,195,625.80 is: 4,793,438.70
Step by Step Solution
- Step 1: Write the proportion equation
9,927,211.80 : 14,890,817.70 = 3,195,625.80 : x - Step 2: Convert to fraction form
9,927,211.80/14,890,817.70 = 3,195,625.80/x - Step 3: Cross multiply
9,927,211.80x = 14,890,817.70 × 3,195,625.80 - Step 4: Simplify right side
9,927,211.80x = 47,585,481,225,216.66 - Step 5: Solve for x
x = 47,585,481,225,216.66/9,927,211.80 - Step 6: Final answer
x = 4,793,438.70
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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.