Finding the Fourth Proportional to 16,698,728.40, 24,992,105.40 and 14,683,189.20
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Solution
The fourth proportional to 16,698,728.40, 24,992,105.40 and 14,683,189.20 is: 21,975,554.26
Step by Step Solution
- Step 1: Write the proportion equation
16,698,728.40 : 24,992,105.40 = 14,683,189.20 : x - Step 2: Convert to fraction form
16,698,728.40/24,992,105.40 = 14,683,189.20/x - Step 3: Cross multiply
16,698,728.40x = 24,992,105.40 × 14,683,189.20 - Step 4: Simplify right side
16,698,728.40x = 366,963,812,094,541.62 - Step 5: Solve for x
x = 366,963,812,094,541.62/16,698,728.40 - Step 6: Final answer
x = 21,975,554.26
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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.