Finding the Fourth Proportional to 14,743,630.80, 22,115,446.20 and 5,158,009.80
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Solution
The fourth proportional to 14,743,630.80, 22,115,446.20 and 5,158,009.80 is: 7,737,014.70
Step by Step Solution
- Step 1: Write the proportion equation
14,743,630.80 : 22,115,446.20 = 5,158,009.80 : x - Step 2: Convert to fraction form
14,743,630.80/22,115,446.20 = 5,158,009.80/x - Step 3: Cross multiply
14,743,630.80x = 22,115,446.20 × 5,158,009.80 - Step 4: Simplify right side
14,743,630.80x = 114,071,688,230,972.75 - Step 5: Solve for x
x = 114,071,688,230,972.75/14,743,630.80 - Step 6: Final answer
x = 7,737,014.70
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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.