Finding the Fourth Proportional to 16,185,848.40, 24,278,772.60 and 15,439,352.40
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Solution
The fourth proportional to 16,185,848.40, 24,278,772.60 and 15,439,352.40 is: 23,159,028.60
Step by Step Solution
- Step 1: Write the proportion equation
16,185,848.40 : 24,278,772.60 = 15,439,352.40 : x - Step 2: Convert to fraction form
16,185,848.40/24,278,772.60 = 15,439,352.40/x - Step 3: Cross multiply
16,185,848.40x = 24,278,772.60 × 15,439,352.40 - Step 4: Simplify right side
16,185,848.40x = 374,848,526,010,864.25 - Step 5: Solve for x
x = 374,848,526,010,864.25/16,185,848.40 - Step 6: Final answer
x = 23,159,028.60
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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.