Finding the Fourth Proportional to 19,872,640.93, 29,808,958.96 and 6,409,468.93
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Solution
The fourth proportional to 19,872,640.93, 29,808,958.96 and 6,409,468.93 is: 9,614,202.61
Step by Step Solution
- Step 1: Write the proportion equation
19,872,640.93 : 29,808,958.96 = 6,409,468.93 : x - Step 2: Convert to fraction form
19,872,640.93/29,808,958.96 = 6,409,468.93/x - Step 3: Cross multiply
19,872,640.93x = 29,808,958.96 × 6,409,468.93 - Step 4: Simplify right side
19,872,640.93x = 191,059,596,289,765.12 - Step 5: Solve for x
x = 191,059,596,289,765.12/19,872,640.93 - Step 6: Final answer
x = 9,614,202.61
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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.