Finding the Fourth Proportional to 9,086,824.70, 13,630,237.05 and 8,289,663.20
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Solution
The fourth proportional to 9,086,824.70, 13,630,237.05 and 8,289,663.20 is: 12,434,494.80
Step by Step Solution
- Step 1: Write the proportion equation
9,086,824.70 : 13,630,237.05 = 8,289,663.20 : x - Step 2: Convert to fraction form
9,086,824.70/13,630,237.05 = 8,289,663.20/x - Step 3: Cross multiply
9,086,824.70x = 13,630,237.05 × 8,289,663.20 - Step 4: Simplify right side
9,086,824.70x = 112,990,074,480,661.56 - Step 5: Solve for x
x = 112,990,074,480,661.56/9,086,824.70 - Step 6: Final answer
x = 12,434,494.80
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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.