Finding the Fourth Proportional to 19,937,897.75, 27,513,618.68 and 10,997,362.26
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Solution
The fourth proportional to 19,937,897.75, 27,513,618.68 and 10,997,362.26 is: 15,175,984.72
Step by Step Solution
- Step 1: Write the proportion equation
19,937,897.75 : 27,513,618.68 = 10,997,362.26 : x - Step 2: Convert to fraction form
19,937,897.75/27,513,618.68 = 10,997,362.26/x - Step 3: Cross multiply
19,937,897.75x = 27,513,618.68 × 10,997,362.26 - Step 4: Simplify right side
19,937,897.75x = 302,577,231,734,956.44 - Step 5: Solve for x
x = 302,577,231,734,956.44/19,937,897.75 - Step 6: Final answer
x = 15,175,984.72
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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.