Finding the Fourth Proportional to 7,703,660.36, 10,634,484.66 and 5,091,737.60
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Solution
The fourth proportional to 7,703,660.36, 10,634,484.66 and 5,091,737.60 is: 7,028,867.17
Step by Step Solution
- Step 1: Write the proportion equation
7,703,660.36 : 10,634,484.66 = 5,091,737.60 : x - Step 2: Convert to fraction form
7,703,660.36/10,634,484.66 = 5,091,737.60/x - Step 3: Cross multiply
7,703,660.36x = 10,634,484.66 × 5,091,737.60 - Step 4: Simplify right side
7,703,660.36x = 54,148,005,399,945.21 - Step 5: Solve for x
x = 54,148,005,399,945.21/7,703,660.36 - Step 6: Final answer
x = 7,028,867.17
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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.