Finding the Fourth Proportional to 36,276,484.68, 54,395,831.34 and 13,538,683.08
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Solution
The fourth proportional to 36,276,484.68, 54,395,831.34 and 13,538,683.08 is: 20,300,972.60
Step by Step Solution
- Step 1: Write the proportion equation
36,276,484.68 : 54,395,831.34 = 13,538,683.08 : x - Step 2: Convert to fraction form
36,276,484.68/54,395,831.34 = 13,538,683.08/x - Step 3: Cross multiply
36,276,484.68x = 54,395,831.34 × 13,538,683.08 - Step 4: Simplify right side
36,276,484.68x = 736,447,921,385,391.75 - Step 5: Solve for x
x = 736,447,921,385,391.75/36,276,484.68 - Step 6: Final answer
x = 20,300,972.60
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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.