Finding the Fourth Proportional to 19,193,632.90, 28,790,449.49 and 6,414,137.62
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Solution
The fourth proportional to 19,193,632.90, 28,790,449.49 and 6,414,137.62 is: 9,621,206.48
Step by Step Solution
- Step 1: Write the proportion equation
19,193,632.90 : 28,790,449.49 = 6,414,137.62 : x - Step 2: Convert to fraction form
19,193,632.90/28,790,449.49 = 6,414,137.62/x - Step 3: Cross multiply
19,193,632.90x = 28,790,449.49 × 6,414,137.62 - Step 4: Simplify right side
19,193,632.90x = 184,665,905,170,518.81 - Step 5: Solve for x
x = 184,665,905,170,518.81/19,193,632.90 - Step 6: Final answer
x = 9,621,206.48
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1.5x scale
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.