Finding the Fourth Proportional to 8,853,351.80, 13,280,027.70 and 8,666,727.80
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Solution
The fourth proportional to 8,853,351.80, 13,280,027.70 and 8,666,727.80 is: 13,000,091.70
Step by Step Solution
- Step 1: Write the proportion equation
8,853,351.80 : 13,280,027.70 = 8,666,727.80 : x - Step 2: Convert to fraction form
8,853,351.80/13,280,027.70 = 8,666,727.80/x - Step 3: Cross multiply
8,853,351.80x = 13,280,027.70 × 8,666,727.80 - Step 4: Simplify right side
8,853,351.80x = 115,094,385,252,360.06 - Step 5: Solve for x
x = 115,094,385,252,360.06/8,853,351.80 - Step 6: Final answer
x = 13,000,091.70
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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.