Finding the Fourth Proportional to 20,441,478.42, 30,683,484.99 and 15,056,209.62
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Solution
The fourth proportional to 20,441,478.42, 30,683,484.99 and 15,056,209.62 is: 22,599,978.94
Step by Step Solution
- Step 1: Write the proportion equation
20,441,478.42 : 30,683,484.99 = 15,056,209.62 : x - Step 2: Convert to fraction form
20,441,478.42/30,683,484.99 = 15,056,209.62/x - Step 3: Cross multiply
20,441,478.42x = 30,683,484.99 × 15,056,209.62 - Step 4: Simplify right side
20,441,478.42x = 461,976,981,881,563.56 - Step 5: Solve for x
x = 461,976,981,881,563.56/20,441,478.42 - Step 6: Final answer
x = 22,599,978.94
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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.