Finding the Fourth Proportional to 14,078,004.09, 19,427,645.64 and 7,639,476.09
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Solution
The fourth proportional to 14,078,004.09, 19,427,645.64 and 7,639,476.09 is: 10,542,477.00
Step by Step Solution
- Step 1: Write the proportion equation
14,078,004.09 : 19,427,645.64 = 7,639,476.09 : x - Step 2: Convert to fraction form
14,078,004.09/19,427,645.64 = 7,639,476.09/x - Step 3: Cross multiply
14,078,004.09x = 19,427,645.64 × 7,639,476.09 - Step 4: Simplify right side
14,078,004.09x = 148,417,034,351,772.75 - Step 5: Solve for x
x = 148,417,034,351,772.75/14,078,004.09 - Step 6: Final answer
x = 10,542,477.00
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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.