Finding the Fourth Proportional to 19,702,871.78, 29,544,385.46 and 6,567,639.08
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Solution
The fourth proportional to 19,702,871.78, 29,544,385.46 and 6,567,639.08 is: 9,848,151.20
Step by Step Solution
- Step 1: Write the proportion equation
19,702,871.78 : 29,544,385.46 = 6,567,639.08 : x - Step 2: Convert to fraction form
19,702,871.78/29,544,385.46 = 6,567,639.08/x - Step 3: Cross multiply
19,702,871.78x = 29,544,385.46 × 6,567,639.08 - Step 4: Simplify right side
19,702,871.78x = 194,036,860,361,119.66 - Step 5: Solve for x
x = 194,036,860,361,119.66/19,702,871.78 - Step 6: Final answer
x = 9,848,151.20
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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.