Finding the Fourth Proportional to 9,136,430.22, 13,705,490.82 and 2,988,446.70
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Solution
The fourth proportional to 9,136,430.22, 13,705,490.82 and 2,988,446.70 is: 4,482,946.60
Step by Step Solution
- Step 1: Write the proportion equation
9,136,430.22 : 13,705,490.82 = 2,988,446.70 : x - Step 2: Convert to fraction form
9,136,430.22/13,705,490.82 = 2,988,446.70/x - Step 3: Cross multiply
9,136,430.22x = 13,705,490.82 × 2,988,446.70 - Step 4: Simplify right side
9,136,430.22x = 40,958,128,812,909.30 - Step 5: Solve for x
x = 40,958,128,812,909.30/9,136,430.22 - Step 6: Final answer
x = 4,482,946.60
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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.