Finding the Fourth Proportional to 18,028,564.68, 27,069,861.96 and 15,607,186.60
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Solution
The fourth proportional to 18,028,564.68, 27,069,861.96 and 15,607,186.60 is: 23,434,166.52
Step by Step Solution
- Step 1: Write the proportion equation
18,028,564.68 : 27,069,861.96 = 15,607,186.60 : x - Step 2: Convert to fraction form
18,028,564.68/27,069,861.96 = 15,607,186.60/x - Step 3: Cross multiply
18,028,564.68x = 27,069,861.96 × 15,607,186.60 - Step 4: Simplify right side
18,028,564.68x = 422,484,386,845,961.75 - Step 5: Solve for x
x = 422,484,386,845,961.75/18,028,564.68 - Step 6: Final answer
x = 23,434,166.52
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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.