Finding the Fourth Proportional to 14,463,422.40, 21,694,442.40 and 4,877,860.80
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Solution
The fourth proportional to 14,463,422.40, 21,694,442.40 and 4,877,860.80 is: 7,316,558.09
Step by Step Solution
- Step 1: Write the proportion equation
14,463,422.40 : 21,694,442.40 = 4,877,860.80 : x - Step 2: Convert to fraction form
14,463,422.40/21,694,442.40 = 4,877,860.80/x - Step 3: Cross multiply
14,463,422.40x = 21,694,442.40 × 4,877,860.80 - Step 4: Simplify right side
14,463,422.40x = 105,822,470,160,817.91 - Step 5: Solve for x
x = 105,822,470,160,817.91/14,463,422.40 - Step 6: Final answer
x = 7,316,558.09
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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.