Finding the Fourth Proportional to 18,248,824.14, 25,210,728.50 and 11,984,214.26
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Solution
The fourth proportional to 18,248,824.14, 25,210,728.50 and 11,984,214.26 is: 16,556,177.51
Step by Step Solution
- Step 1: Write the proportion equation
18,248,824.14 : 25,210,728.50 = 11,984,214.26 : x - Step 2: Convert to fraction form
18,248,824.14/25,210,728.50 = 11,984,214.26/x - Step 3: Cross multiply
18,248,824.14x = 25,210,728.50 × 11,984,214.26 - Step 4: Simplify right side
18,248,824.14x = 302,130,771,808,713.75 - Step 5: Solve for x
x = 302,130,771,808,713.75/18,248,824.14 - Step 6: Final answer
x = 16,556,177.51
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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.