Finding the Fourth Proportional to 13,081,444.84, 19,622,254.74 and 4,561,748.20
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Solution
The fourth proportional to 13,081,444.84, 19,622,254.74 and 4,561,748.20 is: 6,842,652.81
Step by Step Solution
- Step 1: Write the proportion equation
13,081,444.84 : 19,622,254.74 = 4,561,748.20 : x - Step 2: Convert to fraction form
13,081,444.84/19,622,254.74 = 4,561,748.20/x - Step 3: Cross multiply
13,081,444.84x = 19,622,254.74 × 4,561,748.20 - Step 4: Simplify right side
13,081,444.84x = 89,511,785,240,136.47 - Step 5: Solve for x
x = 89,511,785,240,136.47/13,081,444.84 - Step 6: Final answer
x = 6,842,652.81
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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.