Finding the Fourth Proportional to 25,922,707.21, 35,774,422.74 and 14,909,459.99
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Solution
The fourth proportional to 25,922,707.21, 35,774,422.74 and 14,909,459.99 is: 20,575,679.85
Step by Step Solution
- Step 1: Write the proportion equation
25,922,707.21 : 35,774,422.74 = 14,909,459.99 : x - Step 2: Convert to fraction form
25,922,707.21/35,774,422.74 = 14,909,459.99/x - Step 3: Cross multiply
25,922,707.21x = 35,774,422.74 × 14,909,459.99 - Step 4: Simplify right side
25,922,707.21x = 533,377,324,507,376.19 - Step 5: Solve for x
x = 533,377,324,507,376.19/25,922,707.21 - Step 6: Final answer
x = 20,575,679.85
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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.