Finding the Fourth Proportional to 15,299,130.60, 22,948,695.90 and 8,496,685.80
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Solution
The fourth proportional to 15,299,130.60, 22,948,695.90 and 8,496,685.80 is: 12,745,028.70
Step by Step Solution
- Step 1: Write the proportion equation
15,299,130.60 : 22,948,695.90 = 8,496,685.80 : x - Step 2: Convert to fraction form
15,299,130.60/22,948,695.90 = 8,496,685.80/x - Step 3: Cross multiply
15,299,130.60x = 22,948,695.90 × 8,496,685.80 - Step 4: Simplify right side
15,299,130.60x = 194,987,858,582,048.22 - Step 5: Solve for x
x = 194,987,858,582,048.22/15,299,130.60 - Step 6: Final answer
x = 12,745,028.70
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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.