Finding the Fourth Proportional to 7,446,881.36, 10,276,737.48 and 4,183,833.68
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Solution
The fourth proportional to 7,446,881.36, 10,276,737.48 and 4,183,833.68 is: 5,773,713.63
Step by Step Solution
- Step 1: Write the proportion equation
7,446,881.36 : 10,276,737.48 = 4,183,833.68 : x - Step 2: Convert to fraction form
7,446,881.36/10,276,737.48 = 4,183,833.68/x - Step 3: Cross multiply
7,446,881.36x = 10,276,737.48 × 4,183,833.68 - Step 4: Simplify right side
7,446,881.36x = 42,996,160,389,342.33 - Step 5: Solve for x
x = 42,996,160,389,342.33/7,446,881.36 - Step 6: Final answer
x = 5,773,713.63
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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.