Finding the Fourth Proportional to 8,823,419.66, 12,177,763.80 and 7,350,993.36
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Solution
The fourth proportional to 8,823,419.66, 12,177,763.80 and 7,350,993.36 is: 10,145,574.42
Step by Step Solution
- Step 1: Write the proportion equation
8,823,419.66 : 12,177,763.80 = 7,350,993.36 : x - Step 2: Convert to fraction form
8,823,419.66/12,177,763.80 = 7,350,993.36/x - Step 3: Cross multiply
8,823,419.66x = 12,177,763.80 × 7,350,993.36 - Step 4: Simplify right side
8,823,419.66x = 89,518,660,833,448.38 - Step 5: Solve for x
x = 89,518,660,833,448.38/8,823,419.66 - Step 6: Final answer
x = 10,145,574.42
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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.