Finding the Fourth Proportional to 7,427,505.70, 10,251,781.32 and 4,528,495.18
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Solution
The fourth proportional to 7,427,505.70, 10,251,781.32 and 4,528,495.18 is: 6,250,435.09
Step by Step Solution
- Step 1: Write the proportion equation
7,427,505.70 : 10,251,781.32 = 4,528,495.18 : x - Step 2: Convert to fraction form
7,427,505.70/10,251,781.32 = 4,528,495.18/x - Step 3: Cross multiply
7,427,505.70x = 10,251,781.32 × 4,528,495.18 - Step 4: Simplify right side
7,427,505.70x = 46,425,142,294,034.04 - Step 5: Solve for x
x = 46,425,142,294,034.04/7,427,505.70 - Step 6: Final answer
x = 6,250,435.09
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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.