Finding the Fourth Proportional to 19,526,181.14, 26,946,129.39 and 10,824,331.70
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Solution
The fourth proportional to 19,526,181.14, 26,946,129.39 and 10,824,331.70 is: 14,937,577.42
Step by Step Solution
- Step 1: Write the proportion equation
19,526,181.14 : 26,946,129.39 = 10,824,331.70 : x - Step 2: Convert to fraction form
19,526,181.14/26,946,129.39 = 10,824,331.70/x - Step 3: Cross multiply
19,526,181.14x = 26,946,129.39 × 10,824,331.70 - Step 4: Simplify right side
19,526,181.14x = 291,673,842,548,478.62 - Step 5: Solve for x
x = 291,673,842,548,478.62/19,526,181.14 - Step 6: Final answer
x = 14,937,577.42
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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.