Finding the Fourth Proportional to 43,776,415.20, 65,670,843.60 and 13,481,119.20
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Solution
The fourth proportional to 43,776,415.20, 65,670,843.60 and 13,481,119.20 is: 20,223,594.52
Step by Step Solution
- Step 1: Write the proportion equation
43,776,415.20 : 65,670,843.60 = 13,481,119.20 : x - Step 2: Convert to fraction form
43,776,415.20/65,670,843.60 = 13,481,119.20/x - Step 3: Cross multiply
43,776,415.20x = 65,670,843.60 × 13,481,119.20 - Step 4: Simplify right side
43,776,415.20x = 885,316,470,536,157.12 - Step 5: Solve for x
x = 885,316,470,536,157.12/43,776,415.20 - Step 6: Final answer
x = 20,223,594.52
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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.