Finding the Fourth Proportional to 7,136,671.92, 9,841,162.76 and 4,235,502.28
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Solution
The fourth proportional to 7,136,671.92, 9,841,162.76 and 4,235,502.28 is: 5,840,574.96
Step by Step Solution
- Step 1: Write the proportion equation
7,136,671.92 : 9,841,162.76 = 4,235,502.28 : x - Step 2: Convert to fraction form
7,136,671.92/9,841,162.76 = 4,235,502.28/x - Step 3: Cross multiply
7,136,671.92x = 9,841,162.76 × 4,235,502.28 - Step 4: Simplify right side
7,136,671.92x = 41,682,267,307,831.09 - Step 5: Solve for x
x = 41,682,267,307,831.09/7,136,671.92 - Step 6: Final answer
x = 5,840,574.96
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1.5x scale
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.