Finding the Fourth Proportional to 10,349,551.70, 15,524,327.55 and 4,680,847.70
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Solution
The fourth proportional to 10,349,551.70, 15,524,327.55 and 4,680,847.70 is: 7,021,271.55
Step by Step Solution
- Step 1: Write the proportion equation
10,349,551.70 : 15,524,327.55 = 4,680,847.70 : x - Step 2: Convert to fraction form
10,349,551.70/15,524,327.55 = 4,680,847.70/x - Step 3: Cross multiply
10,349,551.70x = 15,524,327.55 × 4,680,847.70 - Step 4: Simplify right side
10,349,551.70x = 72,667,012,906,464.14 - Step 5: Solve for x
x = 72,667,012,906,464.14/10,349,551.70 - Step 6: Final answer
x = 7,021,271.55
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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.