Finding the Fourth Proportional to 8,806,699.08, 12,141,997.20 and 5,703,741.36
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Solution
The fourth proportional to 8,806,699.08, 12,141,997.20 and 5,703,741.36 is: 7,863,878.51
Step by Step Solution
- Step 1: Write the proportion equation
8,806,699.08 : 12,141,997.20 = 5,703,741.36 : x - Step 2: Convert to fraction form
8,806,699.08/12,141,997.20 = 5,703,741.36/x - Step 3: Cross multiply
8,806,699.08x = 12,141,997.20 × 5,703,741.36 - Step 4: Simplify right side
8,806,699.08x = 69,254,811,622,644.20 - Step 5: Solve for x
x = 69,254,811,622,644.20/8,806,699.08 - Step 6: Final answer
x = 7,863,878.51
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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.