Finding the Fourth Proportional to 8,908,400.40, 13,390,594.20 and 8,740,438.80
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Solution
The fourth proportional to 8,908,400.40, 13,390,594.20 and 8,740,438.80 is: 13,138,124.00
Step by Step Solution
- Step 1: Write the proportion equation
8,908,400.40 : 13,390,594.20 = 8,740,438.80 : x - Step 2: Convert to fraction form
8,908,400.40/13,390,594.20 = 8,740,438.80/x - Step 3: Cross multiply
8,908,400.40x = 13,390,594.20 × 8,740,438.80 - Step 4: Simplify right side
8,908,400.40x = 117,039,669,100,734.97 - Step 5: Solve for x
x = 117,039,669,100,734.97/8,908,400.40 - Step 6: Final answer
x = 13,138,124.00
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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.