Finding the Fourth Proportional to 19,427,361.60, 29,135,962.80 and 5,776,831.20
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Solution
The fourth proportional to 19,427,361.60, 29,135,962.80 and 5,776,831.20 is: 8,663,736.35
Step by Step Solution
- Step 1: Write the proportion equation
19,427,361.60 : 29,135,962.80 = 5,776,831.20 : x - Step 2: Convert to fraction form
19,427,361.60/29,135,962.80 = 5,776,831.20/x - Step 3: Cross multiply
19,427,361.60x = 29,135,962.80 × 5,776,831.20 - Step 4: Simplify right side
19,427,361.60x = 168,313,538,945,079.38 - Step 5: Solve for x
x = 168,313,538,945,079.38/19,427,361.60 - Step 6: Final answer
x = 8,663,736.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.