Finding the Fourth Proportional to 15,294,089.08, 21,103,373.28 and 8,766,517.42
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Solution
The fourth proportional to 15,294,089.08, 21,103,373.28 and 8,766,517.42 is: 12,096,378.44
Step by Step Solution
- Step 1: Write the proportion equation
15,294,089.08 : 21,103,373.28 = 8,766,517.42 : x - Step 2: Convert to fraction form
15,294,089.08/21,103,373.28 = 8,766,517.42/x - Step 3: Cross multiply
15,294,089.08x = 21,103,373.28 × 8,766,517.42 - Step 4: Simplify right side
15,294,089.08x = 185,003,089,479,882.53 - Step 5: Solve for x
x = 185,003,089,479,882.53/15,294,089.08 - Step 6: Final answer
x = 12,096,378.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.