Finding the Fourth Proportional to 25,307,998.75, 37,968,471.74 and 7,357,102.75
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Solution
The fourth proportional to 25,307,998.75, 37,968,471.74 and 7,357,102.75 is: 11,037,536.02
Step by Step Solution
- Step 1: Write the proportion equation
25,307,998.75 : 37,968,471.74 = 7,357,102.75 : x - Step 2: Convert to fraction form
25,307,998.75/37,968,471.74 = 7,357,102.75/x - Step 3: Cross multiply
25,307,998.75x = 37,968,471.74 × 7,357,102.75 - Step 4: Simplify right side
25,307,998.75x = 279,337,947,851,651.31 - Step 5: Solve for x
x = 279,337,947,851,651.31/25,307,998.75 - Step 6: Final answer
x = 11,037,536.02
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1.5x scale
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.