Finding the Fourth Proportional to 23,438,489.99, 32,356,331.08 and 15,611,028.53
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Solution
The fourth proportional to 23,438,489.99, 32,356,331.08 and 15,611,028.53 is: 21,550,688.96
Step by Step Solution
- Step 1: Write the proportion equation
23,438,489.99 : 32,356,331.08 = 15,611,028.53 : x - Step 2: Convert to fraction form
23,438,489.99/32,356,331.08 = 15,611,028.53/x - Step 3: Cross multiply
23,438,489.99x = 32,356,331.08 × 15,611,028.53 - Step 4: Simplify right side
23,438,489.99x = 505,115,607,415,196.50 - Step 5: Solve for x
x = 505,115,607,415,196.50/23,438,489.99 - Step 6: Final answer
x = 21,550,688.96
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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.