Finding the Fourth Proportional to 51,900,412.66, 71,620,301.30 and 28,378,505.94
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Solution
The fourth proportional to 51,900,412.66, 71,620,301.30 and 28,378,505.94 is: 39,161,097.99
Step by Step Solution
- Step 1: Write the proportion equation
51,900,412.66 : 71,620,301.30 = 28,378,505.94 : x - Step 2: Convert to fraction form
51,900,412.66/71,620,301.30 = 28,378,505.94/x - Step 3: Cross multiply
51,900,412.66x = 71,620,301.30 × 28,378,505.94 - Step 4: Simplify right side
51,900,412.66x = 2,032,477,145,866,639.75 - Step 5: Solve for x
x = 2,032,477,145,866,639.75/51,900,412.66 - Step 6: Final answer
x = 39,161,097.99
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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.