Finding the Fourth Proportional to 14,365,519.17, 19,824,838.14 and 7,839,569.84
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Solution
The fourth proportional to 14,365,519.17, 19,824,838.14 and 7,839,569.84 is: 10,818,836.50
Step by Step Solution
- Step 1: Write the proportion equation
14,365,519.17 : 19,824,838.14 = 7,839,569.84 : x - Step 2: Convert to fraction form
14,365,519.17/19,824,838.14 = 7,839,569.84/x - Step 3: Cross multiply
14,365,519.17x = 19,824,838.14 × 7,839,569.84 - Step 4: Simplify right side
14,365,519.17x = 155,418,203,066,101.50 - Step 5: Solve for x
x = 155,418,203,066,101.50/14,365,519.17 - Step 6: Final answer
x = 10,818,836.50
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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.