Finding the Fourth Proportional to 28,519,128.27, 42,767,953.02 and 10,318,824.09
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Solution
The fourth proportional to 28,519,128.27, 42,767,953.02 and 10,318,824.09 is: 15,474,350.40
Step by Step Solution
- Step 1: Write the proportion equation
28,519,128.27 : 42,767,953.02 = 10,318,824.09 : x - Step 2: Convert to fraction form
28,519,128.27/42,767,953.02 = 10,318,824.09/x - Step 3: Cross multiply
28,519,128.27x = 42,767,953.02 × 10,318,824.09 - Step 4: Simplify right side
28,519,128.27x = 441,314,983,902,764.25 - Step 5: Solve for x
x = 441,314,983,902,764.25/28,519,128.27 - Step 6: Final answer
x = 15,474,350.40
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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.