Finding the Fourth Proportional to 15,427,361.36, 21,291,927.54 and 9,548,881.08
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Solution
The fourth proportional to 15,427,361.36, 21,291,927.54 and 9,548,881.08 is: 13,178,798.32
Step by Step Solution
- Step 1: Write the proportion equation
15,427,361.36 : 21,291,927.54 = 9,548,881.08 : x - Step 2: Convert to fraction form
15,427,361.36/21,291,927.54 = 9,548,881.08/x - Step 3: Cross multiply
15,427,361.36x = 21,291,927.54 × 9,548,881.08 - Step 4: Simplify right side
15,427,361.36x = 203,314,084,043,436.94 - Step 5: Solve for x
x = 203,314,084,043,436.94/15,427,361.36 - Step 6: Final answer
x = 13,178,798.32
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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.