Finding the Fourth Proportional to 13,587,643.08, 18,752,027.99 and 7,786,964.52
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Solution
The fourth proportional to 13,587,643.08, 18,752,027.99 and 7,786,964.52 is: 10,746,630.28
Step by Step Solution
- Step 1: Write the proportion equation
13,587,643.08 : 18,752,027.99 = 7,786,964.52 : x - Step 2: Convert to fraction form
13,587,643.08/18,752,027.99 = 7,786,964.52/x - Step 3: Cross multiply
13,587,643.08x = 18,752,027.99 × 7,786,964.52 - Step 4: Simplify right side
13,587,643.08x = 146,021,376,597,242.09 - Step 5: Solve for x
x = 146,021,376,597,242.09/13,587,643.08 - Step 6: Final answer
x = 10,746,630.28
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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.