Finding the Fourth Proportional to 18,357,457.56, 27,512,238.66 and 7,563,890.88
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Solution
The fourth proportional to 18,357,457.56, 27,512,238.66 and 7,563,890.88 is: 11,335,969.07
Step by Step Solution
- Step 1: Write the proportion equation
18,357,457.56 : 27,512,238.66 = 7,563,890.88 : x - Step 2: Convert to fraction form
18,357,457.56/27,512,238.66 = 7,563,890.88/x - Step 3: Cross multiply
18,357,457.56x = 27,512,238.66 × 7,563,890.88 - Step 4: Simplify right side
18,357,457.56x = 208,099,571,088,757.41 - Step 5: Solve for x
x = 208,099,571,088,757.41/18,357,457.56 - Step 6: Final answer
x = 11,335,969.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.