Finding the Fourth Proportional to 36,054,831.36, 54,044,455.68 and 13,321,228.80
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Solution
The fourth proportional to 36,054,831.36, 54,044,455.68 and 13,321,228.80 is: 19,967,880.37
Step by Step Solution
- Step 1: Write the proportion equation
36,054,831.36 : 54,044,455.68 = 13,321,228.80 : x - Step 2: Convert to fraction form
36,054,831.36/54,044,455.68 = 13,321,228.80/x - Step 3: Cross multiply
36,054,831.36x = 54,044,455.68 × 13,321,228.80 - Step 4: Simplify right side
36,054,831.36x = 719,938,559,484,739.62 - Step 5: Solve for x
x = 719,938,559,484,739.62/36,054,831.36 - Step 6: Final answer
x = 19,967,880.37
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1.5x scale
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.