Finding the Fourth Proportional to 12,089,416.80, 18,127,904.40 and 4,512,482.40
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Solution
The fourth proportional to 12,089,416.80, 18,127,904.40 and 4,512,482.40 is: 6,766,401.63
Step by Step Solution
- Step 1: Write the proportion equation
12,089,416.80 : 18,127,904.40 = 4,512,482.40 : x - Step 2: Convert to fraction form
12,089,416.80/18,127,904.40 = 4,512,482.40/x - Step 3: Cross multiply
12,089,416.80x = 18,127,904.40 × 4,512,482.40 - Step 4: Simplify right side
12,089,416.80x = 81,801,849,553,882.56 - Step 5: Solve for x
x = 81,801,849,553,882.56/12,089,416.80 - Step 6: Final answer
x = 6,766,401.63
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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.