Finding the Fourth Proportional to 7,397,798.76, 10,169,758.80 and 6,361,510.68
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Solution
The fourth proportional to 7,397,798.76, 10,169,758.80 and 6,361,510.68 is: 8,745,172.90
Step by Step Solution
- Step 1: Write the proportion equation
7,397,798.76 : 10,169,758.80 = 6,361,510.68 : x - Step 2: Convert to fraction form
7,397,798.76/10,169,758.80 = 6,361,510.68/x - Step 3: Cross multiply
7,397,798.76x = 10,169,758.80 × 6,361,510.68 - Step 4: Simplify right side
7,397,798.76x = 64,695,029,219,223.98 - Step 5: Solve for x
x = 64,695,029,219,223.98/7,397,798.76 - Step 6: Final answer
x = 8,745,172.90
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.