Finding the Fourth Proportional to 10,210,107.40, 14,089,765.74 and 5,563,932.80
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Solution
The fourth proportional to 10,210,107.40, 14,089,765.74 and 5,563,932.80 is: 7,678,127.83
Step by Step Solution
- Step 1: Write the proportion equation
10,210,107.40 : 14,089,765.74 = 5,563,932.80 : x - Step 2: Convert to fraction form
10,210,107.40/14,089,765.74 = 5,563,932.80/x - Step 3: Cross multiply
10,210,107.40x = 14,089,765.74 × 5,563,932.80 - Step 4: Simplify right side
10,210,107.40x = 78,394,509,745,102.27 - Step 5: Solve for x
x = 78,394,509,745,102.27/10,210,107.40 - Step 6: Final answer
x = 7,678,127.83
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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.