Finding the Fourth Proportional to 25,802,602.56, 38,694,681.84 and 8,527,606.20
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Solution
The fourth proportional to 25,802,602.56, 38,694,681.84 and 8,527,606.20 is: 12,788,361.48
Step by Step Solution
- Step 1: Write the proportion equation
25,802,602.56 : 38,694,681.84 = 8,527,606.20 : x - Step 2: Convert to fraction form
25,802,602.56/38,694,681.84 = 8,527,606.20/x - Step 3: Cross multiply
25,802,602.56x = 38,694,681.84 × 8,527,606.20 - Step 4: Simplify right side
25,802,602.56x = 329,973,008,765,811.44 - Step 5: Solve for x
x = 329,973,008,765,811.44/25,802,602.56 - Step 6: Final answer
x = 12,788,361.48
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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.