Finding the Fourth Proportional to 10,313,285.85, 14,232,330.52 and 5,667,370.20
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Solution
The fourth proportional to 10,313,285.85, 14,232,330.52 and 5,667,370.20 is: 7,820,968.70
Step by Step Solution
- Step 1: Write the proportion equation
10,313,285.85 : 14,232,330.52 = 5,667,370.20 : x - Step 2: Convert to fraction form
10,313,285.85/14,232,330.52 = 5,667,370.20/x - Step 3: Cross multiply
10,313,285.85x = 14,232,330.52 × 5,667,370.20 - Step 4: Simplify right side
10,313,285.85x = 80,659,885,851,430.08 - Step 5: Solve for x
x = 80,659,885,851,430.08/10,313,285.85 - Step 6: Final answer
x = 7,820,968.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.