Finding the Fourth Proportional to 14,365,662.95, 19,825,036.26 and 7,839,713.81
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Solution
The fourth proportional to 14,365,662.95, 19,825,036.26 and 7,839,713.81 is: 10,819,035.02
Step by Step Solution
- Step 1: Write the proportion equation
14,365,662.95 : 19,825,036.26 = 7,839,713.81 : x - Step 2: Convert to fraction form
14,365,662.95/19,825,036.26 = 7,839,713.81/x - Step 3: Cross multiply
14,365,662.95x = 19,825,036.26 × 7,839,713.81 - Step 4: Simplify right side
14,365,662.95x = 155,422,610,551,272.75 - Step 5: Solve for x
x = 155,422,610,551,272.75/14,365,662.95 - Step 6: Final answer
x = 10,819,035.02
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1.5x scale
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.