Finding the Fourth Proportional to 26,080,985.49, 35,989,954.35 and 14,477,631.81
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Solution
The fourth proportional to 26,080,985.49, 35,989,954.35 and 14,477,631.81 is: 19,978,129.59
Step by Step Solution
- Step 1: Write the proportion equation
26,080,985.49 : 35,989,954.35 = 14,477,631.81 : x - Step 2: Convert to fraction form
26,080,985.49/35,989,954.35 = 14,477,631.81/x - Step 3: Cross multiply
26,080,985.49x = 35,989,954.35 × 14,477,631.81 - Step 4: Simplify right side
26,080,985.49x = 521,049,307,938,007.94 - Step 5: Solve for x
x = 521,049,307,938,007.94/26,080,985.49 - Step 6: Final answer
x = 19,978,129.59
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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.