Finding the Fourth Proportional to 14,344,899.84, 19,795,969.28 and 8,149,957.60
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Solution
The fourth proportional to 14,344,899.84, 19,795,969.28 and 8,149,957.60 is: 11,246,945.75
Step by Step Solution
- Step 1: Write the proportion equation
14,344,899.84 : 19,795,969.28 = 8,149,957.60 : x - Step 2: Convert to fraction form
14,344,899.84/19,795,969.28 = 8,149,957.60/x - Step 3: Cross multiply
14,344,899.84x = 19,795,969.28 × 8,149,957.60 - Step 4: Simplify right side
14,344,899.84x = 161,336,310,282,902.53 - Step 5: Solve for x
x = 161,336,310,282,902.53/14,344,899.84 - Step 6: Final answer
x = 11,246,945.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.