Finding the Fourth Proportional to 19,787,804.96, 27,314,797.02 and 19,241,749.33
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Solution
The fourth proportional to 19,787,804.96, 27,314,797.02 and 19,241,749.33 is: 26,561,029.80
Step by Step Solution
- Step 1: Write the proportion equation
19,787,804.96 : 27,314,797.02 = 19,241,749.33 : x - Step 2: Convert to fraction form
19,787,804.96/27,314,797.02 = 19,241,749.33/x - Step 3: Cross multiply
19,787,804.96x = 27,314,797.02 × 19,241,749.33 - Step 4: Simplify right side
19,787,804.96x = 525,584,477,118,227.44 - Step 5: Solve for x
x = 525,584,477,118,227.44/19,787,804.96 - Step 6: Final answer
x = 26,561,029.80
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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.