Finding the Fourth Proportional to 8,823,417.65, 12,177,761.04 and 7,350,991.35
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Solution
The fourth proportional to 8,823,417.65, 12,177,761.04 and 7,350,991.35 is: 10,145,571.66
Step by Step Solution
- Step 1: Write the proportion equation
8,823,417.65 : 12,177,761.04 = 7,350,991.35 : x - Step 2: Convert to fraction form
8,823,417.65/12,177,761.04 = 7,350,991.35/x - Step 3: Cross multiply
8,823,417.65x = 12,177,761.04 × 7,350,991.35 - Step 4: Simplify right side
8,823,417.65x = 89,518,616,067,407 - Step 5: Solve for x
x = 89,518,616,067,407/8,823,417.65 - Step 6: Final answer
x = 10,145,571.66
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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.