Finding the Fourth Proportional to 16,872,387.26, 23,258,812.14 and 13,244,416.70
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Solution
The fourth proportional to 16,872,387.26, 23,258,812.14 and 13,244,416.70 is: 18,257,606.06
Step by Step Solution
- Step 1: Write the proportion equation
16,872,387.26 : 23,258,812.14 = 13,244,416.70 : x - Step 2: Convert to fraction form
16,872,387.26/23,258,812.14 = 13,244,416.70/x - Step 3: Cross multiply
16,872,387.26x = 23,258,812.14 × 13,244,416.70 - Step 4: Simplify right side
16,872,387.26x = 308,049,399,929,178.75 - Step 5: Solve for x
x = 308,049,399,929,178.75/16,872,387.26 - Step 6: Final answer
x = 18,257,606.06
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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.