Finding the Fourth Proportional to 16,403,028.48, 24,609,807.36 and 7,883,982.72
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Solution
The fourth proportional to 16,403,028.48, 24,609,807.36 and 7,883,982.72 is: 11,828,504.49
Step by Step Solution
- Step 1: Write the proportion equation
16,403,028.48 : 24,609,807.36 = 7,883,982.72 : x - Step 2: Convert to fraction form
16,403,028.48/24,609,807.36 = 7,883,982.72/x - Step 3: Cross multiply
16,403,028.48x = 24,609,807.36 × 7,883,982.72 - Step 4: Simplify right side
16,403,028.48x = 194,023,295,968,768.81 - Step 5: Solve for x
x = 194,023,295,968,768.81/16,403,028.48 - Step 6: Final answer
x = 11,828,504.49
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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.