Finding the Fourth Proportional to 7,480,238.13, 11,236,305.63 and 7,042,900.41
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Solution
The fourth proportional to 7,480,238.13, 11,236,305.63 and 7,042,900.41 is: 10,579,366.61
Step by Step Solution
- Step 1: Write the proportion equation
7,480,238.13 : 11,236,305.63 = 7,042,900.41 : x - Step 2: Convert to fraction form
7,480,238.13/11,236,305.63 = 7,042,900.41/x - Step 3: Cross multiply
7,480,238.13x = 11,236,305.63 × 7,042,900.41 - Step 4: Simplify right side
7,480,238.13x = 79,136,181,528,412.31 - Step 5: Solve for x
x = 79,136,181,528,412.31/7,480,238.13 - Step 6: Final answer
x = 10,579,366.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.