Finding the Fourth Proportional to 27,220,357.20, 40,838,507.34 and 8,051,624.70
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Solution
The fourth proportional to 27,220,357.20, 40,838,507.34 and 8,051,624.70 is: 12,079,794.99
Step by Step Solution
- Step 1: Write the proportion equation
27,220,357.20 : 40,838,507.34 = 8,051,624.70 : x - Step 2: Convert to fraction form
27,220,357.20/40,838,507.34 = 8,051,624.70/x - Step 3: Cross multiply
27,220,357.20x = 40,838,507.34 × 8,051,624.70 - Step 4: Simplify right side
27,220,357.20x = 328,816,334,409,875.31 - Step 5: Solve for x
x = 328,816,334,409,875.31/27,220,357.20 - Step 6: Final answer
x = 12,079,794.99
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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.